20421676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{464129}}^1$

素因数の和:464144

約数の個数: 12

約数和(自身を含む): 38986920

約数和(自身を除く): 18565244

約数列:

[1, 2, 4, 11, 22, 44, 464129, 928258, 1856516, 5105419, 10210838, 20421676]

約数ペア:

[(1, 20421676), (2, 10210838), (4, 5105419), (11, 1856516), (22, 928258), (44, 464129)]