20172597940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{132697}}^1$

素因数の和:133408

約数の個数: 48

約数和(自身を含む): 46280816064

約数和(自身を除く): 26108218124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 691, 1382, 2764, 3455, 6910, 7601, 13820, 15202, 30404, 38005, 76010, 132697, 152020, 265394, 530788, 663485, 1326970, 1459667, 2653940, 2919334, 5838668, 7298335, 14596670, 29193340, 91693627, 183387254, 366774508, 458468135, 916936270, 1008629897, 1833872540, 2017259794, 4034519588, 5043149485, 10086298970, 20172597940]

約数ペア:

[(1, 20172597940), (2, 10086298970), (4, 5043149485), (5, 4034519588), (10, 2017259794), (11, 1833872540), (20, 1008629897), (22, 916936270), (44, 458468135), (55, 366774508), (110, 183387254), (220, 91693627), (691, 29193340), (1382, 14596670), (2764, 7298335), (3455, 5838668), (6910, 2919334), (7601, 2653940), (13820, 1459667), (15202, 1326970), (30404, 663485), (38005, 530788), (76010, 265394), (132697, 152020)]