20261488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3409

約数の個数: 40

約数和(自身を含む): 43747200

約数和(自身を除く): 23485712

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3359, 6032, 6718, 13436, 26872, 43667, 53744, 87334, 97411, 174668, 194822, 349336, 389644, 698672, 779288, 1266343, 1558576, 2532686, 5065372, 10130744, 20261488]

約数ペア:

[(1, 20261488), (2, 10130744), (4, 5065372), (8, 2532686), (13, 1558576), (16, 1266343), (26, 779288), (29, 698672), (52, 389644), (58, 349336), (104, 194822), (116, 174668), (208, 97411), (232, 87334), (377, 53744), (464, 43667), (754, 26872), (1508, 13436), (3016, 6718), (3359, 6032)]