20396270

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49747}}^1$

素因数の和:49795

約数の個数: 16

約数和(自身を含む): 37609488

約数和(自身を除く): 17213218

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49747, 99494, 248735, 497470, 2039627, 4079254, 10198135, 20396270]

約数ペア:

[(1, 20396270), (2, 10198135), (5, 4079254), (10, 2039627), (41, 497470), (82, 248735), (205, 99494), (410, 49747)]