20783376

素因数分解:

$2^4\times 3^2\times {\mathrm{101}}^1\times {\mathrm{1429}}^1$

素因数の和:1544

約数の個数: 60

約数和(自身を含む): 58781580

約数和(自身を除く): 37998204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 101, 144, 202, 303, 404, 606, 808, 909, 1212, 1429, 1616, 1818, 2424, 2858, 3636, 4287, 4848, 5716, 7272, 8574, 11432, 12861, 14544, 17148, 22864, 25722, 34296, 51444, 68592, 102888, 144329, 205776, 288658, 432987, 577316, 865974, 1154632, 1298961, 1731948, 2309264, 2597922, 3463896, 5195844, 6927792, 10391688, 20783376]

約数ペア:

[(1, 20783376), (2, 10391688), (3, 6927792), (4, 5195844), (6, 3463896), (8, 2597922), (9, 2309264), (12, 1731948), (16, 1298961), (18, 1154632), (24, 865974), (36, 577316), (48, 432987), (72, 288658), (101, 205776), (144, 144329), (202, 102888), (303, 68592), (404, 51444), (606, 34296), (808, 25722), (909, 22864), (1212, 17148), (1429, 14544), (1616, 12861), (1818, 11432), (2424, 8574), (2858, 7272), (3636, 5716), (4287, 4848)]