20520458

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{50543}}^1$

素因数の和:50581

約数の個数: 16

約数和(自身を含む): 36391680

約数和(自身を除く): 15871222

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 50543, 101086, 353801, 707602, 1465747, 2931494, 10260229, 20520458]

約数ペア:

[(1, 20520458), (2, 10260229), (7, 2931494), (14, 1465747), (29, 707602), (58, 353801), (203, 101086), (406, 50543)]