20197028735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1\times {\mathrm{2953}}^1$

素因数の和:3867

約数の個数: 32

約数和(自身を含む): 26332192320

約数和(自身を除く): 6135163585

約数列:

[1, 5, 13, 65, 139, 695, 757, 1807, 2953, 3785, 9035, 9841, 14765, 38389, 49205, 105223, 191945, 410467, 526115, 1367899, 2052335, 2235421, 5336071, 6839495, 11177105, 26680355, 29060473, 145302365, 310723519, 1553617595, 4039405747, 20197028735]

約数ペア:

[(1, 20197028735), (5, 4039405747), (13, 1553617595), (65, 310723519), (139, 145302365), (695, 29060473), (757, 26680355), (1807, 11177105), (2953, 6839495), (3785, 5336071), (9035, 2235421), (9841, 2052335), (14765, 1367899), (38389, 526115), (49205, 410467), (105223, 191945)]