20267716

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15401}}^1$

素因数の和:15459

約数の個数: 24

約数和(自身を含む): 41400576

約数和(自身を除く): 21132860

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 15401, 30802, 61604, 107807, 215614, 431228, 723847, 1447694, 2895388, 5066929, 10133858, 20267716]

約数ペア:

[(1, 20267716), (2, 10133858), (4, 5066929), (7, 2895388), (14, 1447694), (28, 723847), (47, 431228), (94, 215614), (188, 107807), (329, 61604), (658, 30802), (1316, 15401)]