20139472990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22131289}}^1$

素因数の和:22131316

約数の個数: 32

約数和(自身を含む): 44616680640

約数和(自身を除く): 24477207650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22131289, 44262578, 110656445, 154919023, 221312890, 287706757, 309838046, 575413514, 774595115, 1438533785, 1549190230, 2013947299, 2877067570, 4027894598, 10069736495, 20139472990]

約数ペア:

[(1, 20139472990), (2, 10069736495), (5, 4027894598), (7, 2877067570), (10, 2013947299), (13, 1549190230), (14, 1438533785), (26, 774595115), (35, 575413514), (65, 309838046), (70, 287706757), (91, 221312890), (130, 154919023), (182, 110656445), (455, 44262578), (910, 22131289)]