20967464

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12911}}^1$

素因数の和:12953

約数の個数: 32

約数和(自身を含む): 46483200

約数和(自身を除く): 25515736

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12911, 25822, 51644, 90377, 103288, 180754, 361508, 374419, 723016, 748838, 1497676, 2620933, 2995352, 5241866, 10483732, 20967464]

約数ペア:

[(1, 20967464), (2, 10483732), (4, 5241866), (7, 2995352), (8, 2620933), (14, 1497676), (28, 748838), (29, 723016), (56, 374419), (58, 361508), (116, 180754), (203, 103288), (232, 90377), (406, 51644), (812, 25822), (1624, 12911)]