20177500876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{471481}}^1$

素因数の和:472321

約数の個数: 24

約数和(自身を含む): 38073114464

約数和(自身を除く): 17895613588

約数列:

[1, 2, 4, 13, 26, 52, 823, 1646, 3292, 10699, 21398, 42796, 471481, 942962, 1885924, 6129253, 12258506, 24517012, 388028863, 776057726, 1552115452, 5044375219, 10088750438, 20177500876]

約数ペア:

[(1, 20177500876), (2, 10088750438), (4, 5044375219), (13, 1552115452), (26, 776057726), (52, 388028863), (823, 24517012), (1646, 12258506), (3292, 6129253), (10699, 1885924), (21398, 942962), (42796, 471481)]