hdu 5524 Tom and paper

#include<iostream>
#include<cmath>
using namespace std;
int main()
{
int t;
cin>>t;
while(t--)
{
int n;
cin>>n;
for(int i=int(sqrt(n));i>=0;i--)
{
if(n%i==0)
{
cout<<(n/i+i)*2<<endl;
break;
}
}
}
return 0;
}