20199405785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{44953}}^1$

素因数の和:45225

約数の個数: 32

約数和(自身を含む): 27067342848

約数和(自身を除く): 6867937063

約数列:

[1, 5, 13, 31, 65, 155, 223, 403, 1115, 2015, 2899, 6913, 14495, 34565, 44953, 89869, 224765, 449345, 584389, 1393543, 2921945, 6967715, 10024519, 18116059, 50122595, 90580295, 130318747, 310760089, 651593735, 1553800445, 4039881157, 20199405785]

約数ペア:

[(1, 20199405785), (5, 4039881157), (13, 1553800445), (31, 651593735), (65, 310760089), (155, 130318747), (223, 90580295), (403, 50122595), (1115, 18116059), (2015, 10024519), (2899, 6967715), (6913, 2921945), (14495, 1393543), (34565, 584389), (44953, 449345), (89869, 224765)]