20805004753

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3727}}^1$

素因数の和:3866

約数の個数: 48

約数和(自身を含む): 25051265280

約数和(自身を除く): 4246260527

約数列:

[1, 13, 17, 29, 67, 169, 221, 377, 493, 871, 1139, 1943, 2873, 3727, 4901, 6409, 11323, 14807, 25259, 33031, 48451, 63359, 83317, 108083, 192491, 249709, 328367, 429403, 629863, 823667, 1405079, 1837411, 3246217, 4245053, 5582239, 7241561, 10707671, 18266027, 23886343, 42200821, 55185689, 94140293, 123106537, 310522459, 717413957, 1223823809, 1600384981, 20805004753]

約数ペア:

[(1, 20805004753), (13, 1600384981), (17, 1223823809), (29, 717413957), (67, 310522459), (169, 123106537), (221, 94140293), (377, 55185689), (493, 42200821), (871, 23886343), (1139, 18266027), (1943, 10707671), (2873, 7241561), (3727, 5582239), (4901, 4245053), (6409, 3246217), (11323, 1837411), (14807, 1405079), (25259, 823667), (33031, 629863), (48451, 429403), (63359, 328367), (83317, 249709), (108083, 192491)]