20880484

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{168391}}^1$

素因数の和:168426

約数の個数: 12

約数和(自身を含む): 37719808

約数和(自身を除く): 16839324

約数列:

[1, 2, 4, 31, 62, 124, 168391, 336782, 673564, 5220121, 10440242, 20880484]

約数ペア:

[(1, 20880484), (2, 10440242), (4, 5220121), (31, 673564), (62, 336782), (124, 168391)]