20571684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244901}}^1$

素因数の和:244915

約数の個数: 24

約数和(自身を含む): 54858048

約数和(自身を除く): 34286364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244901, 489802, 734703, 979604, 1469406, 1714307, 2938812, 3428614, 5142921, 6857228, 10285842, 20571684]

約数ペア:

[(1, 20571684), (2, 10285842), (3, 6857228), (4, 5142921), (6, 3428614), (7, 2938812), (12, 1714307), (14, 1469406), (21, 979604), (28, 734703), (42, 489802), (84, 244901)]