20187886

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2657}}^1$

素因数の和:2819

約数の個数: 16

約数和(自身を含む): 31577040

約数和(自身を除く): 11389154

約数列:

[1, 2, 29, 58, 131, 262, 2657, 3799, 5314, 7598, 77053, 154106, 348067, 696134, 10093943, 20187886]

約数ペア:

[(1, 20187886), (2, 10093943), (29, 696134), (58, 348067), (131, 154106), (262, 77053), (2657, 7598), (3799, 5314)]