20320336504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{16633}}^1$

素因数の和:17360

約数の個数: 64

約数和(自身を含む): 43510551840

約数和(自身を除く): 23190215336

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 691, 884, 1382, 1768, 2764, 5528, 8983, 11747, 16633, 17966, 23494, 33266, 35932, 46988, 66532, 71864, 93976, 133064, 152711, 216229, 282761, 305422, 432458, 565522, 610844, 864916, 1131044, 1221688, 1729832, 2262088, 3675893, 7351786, 11493403, 14703572, 22986806, 29407144, 45973612, 91947224, 149414239, 195387851, 298828478, 390775702, 597656956, 781551404, 1195313912, 1563102808, 2540042063, 5080084126, 10160168252, 20320336504]

約数ペア:

[(1, 20320336504), (2, 10160168252), (4, 5080084126), (8, 2540042063), (13, 1563102808), (17, 1195313912), (26, 781551404), (34, 597656956), (52, 390775702), (68, 298828478), (104, 195387851), (136, 149414239), (221, 91947224), (442, 45973612), (691, 29407144), (884, 22986806), (1382, 14703572), (1768, 11493403), (2764, 7351786), (5528, 3675893), (8983, 2262088), (11747, 1729832), (16633, 1221688), (17966, 1131044), (23494, 864916), (33266, 610844), (35932, 565522), (46988, 432458), (66532, 305422), (71864, 282761), (93976, 216229), (133064, 152711)]