Q: What is the sum of all factors of the number 121,220,209 excluding 121,220,209?
A: 17,980,271
The factors of the number 121,220,209 are: 1, 11, 19, 209, 580001, 6380011, 11020019, 121220209.
If you add them up, you will get the total of 121,220,226. Now subtract 121,220,209 to get 17,980,271