#include<fstream>
using namespace std;
ifstream cin("sum.in");
ofstream cout("sum.out");
const int N=100001;
int n,v[N];
void euler(int n)
{
	int i,j;
	for(i=2;i<=n;i++)
		v[i]=i;
	for(i=2;i<=n;i++)
		if(v[i]==i)
			for(j=i;j<=n;j=j+i)
				v[j]=v[j]/i*(i-1);
}
int main()
{
	int i,n,x;
	euler(N-1);
	cin>>n;
	for(i=1;i<=n;i++)
	{
		cin>>x;
		cout<<2*(long long)x*v[x]<<"\n";
	}
	return 0;
}