20905274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47297}}^1$

素因数の和:47329

約数の個数: 16

約数和(自身を含む): 35757288

約数和(自身を除く): 14852014

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47297, 94594, 614861, 804049, 1229722, 1608098, 10452637, 20905274]

約数ペア:

[(1, 20905274), (2, 10452637), (13, 1608098), (17, 1229722), (26, 804049), (34, 614861), (221, 94594), (442, 47297)]