Q: What is the sum of all factors of the number 20,657,221 excluding 20,657,221?
A: 1,589,031
The factors of the number 20,657,221 are: 1, 13, 1589017, 20657221.
If you add them up, you will get the total of 20,657,222. Now subtract 20,657,221 to get 1,589,031