20017517

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1792

約数の個数: 16

約数和(自身を含む): 23269680

約数和(自身を除く): 3252163

約数列:

[1, 13, 17, 53, 221, 689, 901, 1709, 11713, 22217, 29053, 90577, 377689, 1177501, 1539809, 20017517]

約数ペア:

[(1, 20017517), (13, 1539809), (17, 1177501), (53, 377689), (221, 90577), (689, 29053), (901, 22217), (1709, 11713)]