Q: What is the sum of all factors of the number 20,120,021 excluding 20,120,021?
A: 128,311
The factors of the number 20,120,021 are: 1, 157, 128153, 20120021.
If you add them up, you will get the total of 20,120,149. Now subtract 20,120,021 to get 128,311