Extract number from a square root in 2 numbers

square_root.c

#include <stdio.h>
#include <math.h>

int main()
{
    int x = 20;
    int v1 = x, v2;

    while ((v1 > 1) && ((x / (int)pow(v1,2)) != (x / pow(v1,2)))) v1--;
    v2 = x / pow(v1,2);

    printf("%d %d", v1, v2);
    return 0;
}