Q: What is the sum of all factors of the number 20,420,431 excluding 20,420,431?
A: 436,529
The factors of the number 20,420,431 are: 1, 59, 283, 1223, 16697, 72157, 346109, 20420431.
If you add them up, you will get the total of 20,420,867. Now subtract 20,420,431 to get 436,529