20967016

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2297}}^1$

素因数の和:2473

約数の個数: 32

約数和(自身を含む): 45224640

約数和(自身を除く): 24257624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 2297, 4564, 4594, 9128, 9188, 16079, 18376, 32158, 64316, 128632, 374411, 748822, 1497644, 2620877, 2995288, 5241754, 10483508, 20967016]

約数ペア:

[(1, 20967016), (2, 10483508), (4, 5241754), (7, 2995288), (8, 2620877), (14, 1497644), (28, 748822), (56, 374411), (163, 128632), (326, 64316), (652, 32158), (1141, 18376), (1304, 16079), (2282, 9188), (2297, 9128), (4564, 4594)]