20489367056

素因数分解:

$2^4\times {\mathrm{9689}}^1\times {\mathrm{132169}}^1$

素因数の和:141866

約数の個数: 20

約数和(自身を含む): 39702546300

約数和(自身を除く): 19213179244

約数列:

[1, 2, 4, 8, 16, 9689, 19378, 38756, 77512, 132169, 155024, 264338, 528676, 1057352, 2114704, 1280585441, 2561170882, 5122341764, 10244683528, 20489367056]

約数ペア:

[(1, 20489367056), (2, 10244683528), (4, 5122341764), (8, 2561170882), (16, 1280585441), (9689, 2114704), (19378, 1057352), (38756, 528676), (77512, 264338), (132169, 155024)]