20656449790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11369}}^1\times {\mathrm{5861}}^1$

素因数の和:17268

約数の個数: 32

約数和(自身を含む): 38390941440

約数和(自身を除く): 17734491650

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 5861, 11369, 11722, 22738, 29305, 56845, 58610, 113690, 181691, 352439, 363382, 704878, 908455, 1762195, 1816910, 3524390, 66633709, 133267418, 333168545, 666337090, 2065644979, 4131289958, 10328224895, 20656449790]

約数ペア:

[(1, 20656449790), (2, 10328224895), (5, 4131289958), (10, 2065644979), (31, 666337090), (62, 333168545), (155, 133267418), (310, 66633709), (5861, 3524390), (11369, 1816910), (11722, 1762195), (22738, 908455), (29305, 704878), (56845, 363382), (58610, 352439), (113690, 181691)]