20847593

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 24756480

約数和(自身を除く): 3908887

約数列:

[1, 13, 17, 31, 179, 221, 289, 403, 527, 2327, 3043, 3757, 5549, 6851, 8959, 39559, 51731, 72137, 94333, 116467, 672503, 1226329, 1603661, 20847593]

約数ペア:

[(1, 20847593), (13, 1603661), (17, 1226329), (31, 672503), (179, 116467), (221, 94333), (289, 72137), (403, 51731), (527, 39559), (2327, 8959), (3043, 6851), (3757, 5549)]