20215086521

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1632487}}^1$

素因数の和:1632584

約数の個数: 16

約数和(自身を含む): 24291421440

約数和(自身を除く): 4076334919

約数列:

[1, 7, 29, 61, 203, 427, 1769, 12383, 1632487, 11427409, 47342123, 99581707, 331394861, 697071949, 2887869503, 20215086521]

約数ペア:

[(1, 20215086521), (7, 2887869503), (29, 697071949), (61, 331394861), (203, 99581707), (427, 47342123), (1769, 11427409), (12383, 1632487)]