20397962

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{2081}}^1$

素因数の和:2138

約数の個数: 24

約数和(自身を含む): 34290540

約数和(自身を除く): 13892578

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 2081, 4162, 4901, 9802, 27053, 54106, 60349, 120698, 351689, 703378, 784537, 1569074, 10198981, 20397962]

約数ペア:

[(1, 20397962), (2, 10198981), (13, 1569074), (26, 784537), (29, 703378), (58, 351689), (169, 120698), (338, 60349), (377, 54106), (754, 27053), (2081, 9802), (4162, 4901)]