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#include <bits/stdc++.h>
#define int long long
using namespace std;
int v[100005];
int main()
{
freopen("sum.in","r",stdin);
freopen("sum.out","w",stdout);
int n;
scanf("%lld",&n);
for(int i=2;i<100000;++i)
v[i]=i;
for(int i=2;i<100000;++i)
{
if(v[i]==i)
{
for(int j=i;j<100000;j+=i)
{
v[j]=v[j]/i*(i-1);
}
}
}
for(int i=1;i<=n;++i)
{
int x;
scanf("%lld",&x);
printf("%lld\n",v[x]*2*x);
}
return 0;
}