20804513464

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{117529}}^1$

素因数の和:117680

約数の個数: 64

約数和(自身を含む): 46541880000

約数和(自身を除く): 25737366536

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 109, 116, 203, 218, 232, 406, 436, 763, 812, 872, 1526, 1624, 3052, 3161, 6104, 6322, 12644, 22127, 25288, 44254, 88508, 117529, 177016, 235058, 470116, 822703, 940232, 1645406, 3290812, 3408341, 6581624, 6816682, 12810661, 13633364, 23858387, 25621322, 27266728, 47716774, 51242644, 89674627, 95433548, 102485288, 179349254, 190867096, 358698508, 371509169, 717397016, 743018338, 1486036676, 2600564183, 2972073352, 5201128366, 10402256732, 20804513464]

約数ペア:

[(1, 20804513464), (2, 10402256732), (4, 5201128366), (7, 2972073352), (8, 2600564183), (14, 1486036676), (28, 743018338), (29, 717397016), (56, 371509169), (58, 358698508), (109, 190867096), (116, 179349254), (203, 102485288), (218, 95433548), (232, 89674627), (406, 51242644), (436, 47716774), (763, 27266728), (812, 25621322), (872, 23858387), (1526, 13633364), (1624, 12810661), (3052, 6816682), (3161, 6581624), (6104, 3408341), (6322, 3290812), (12644, 1645406), (22127, 940232), (25288, 822703), (44254, 470116), (88508, 235058), (117529, 177016)]