Q: What is the sum of all factors of the number 1,387,420 including 1,387,420?
A: 2,913,624
The factors of the number 1,387,420 are: 1, 2, 4, 5, 10, 20, 69371, 138742, 277484, 346855, 693710, 1387420.
If you add them up, you will get the total of 2,913,624.