MinPerimeterRectangle. Find the minimal perimeter of any rectangle whose area equals N.

MinPerimeterRectangle.py

from math import sqrt

def solution(N):
    # write your code in Python 2.7
    minperimeter = 2*(N + 1)

    if N == 1:
        return minperimeter

    denominator = 2
    m = sqrt(N)
    while (denominator <= m):
        if N % denominator == 0:
            divident = N / denominator
            perimeter = 2 * (denominator + divident) 
            if perimeter < minperimeter:
                 minperimeter = perimeter
        denominator+=1

    return minperimeter