Q: What is the sum of all factors of the number 20,400,221 excluding 20,400,221?
A: 1,270,909
The factors of the number 20,400,221 are: 1, 17, 289, 70589, 1200013, 20400221.
If you add them up, you will get the total of 20,400,222. Now subtract 20,400,221 to get 1,270,909