Q: What is the sum of all factors of the number 15,640,661 excluding 15,640,661?
A: 220,363
The factors of the number 15,640,661 are: 1, 71, 220291, 15640661.
If you add them up, you will get the total of 15,640,881. Now subtract 15,640,661 to get 220,363