20880850

素因数分解:

$2^1\times 5^2\times {\mathrm{417617}}^1$

素因数の和:417629

約数の個数: 12

約数和(自身を含む): 38838474

約数和(自身を除く): 17957624

約数列:

[1, 2, 5, 10, 25, 50, 417617, 835234, 2088085, 4176170, 10440425, 20880850]

約数ペア:

[(1, 20880850), (2, 10440425), (5, 4176170), (10, 2088085), (25, 835234), (50, 417617)]