gistfile1.txt

#include <stdio.h>

int main() {
  int num = 0;
  int i;
  int counter;

  do {
    counter = 0;
    num++;

    for (i = 1; i <= 20; i++) {
      if (num % i == 0)
        counter++;
    }
  } while (counter < 20);

  printf("Number: %d\n", num);
}