20571306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{489793}}^1$

素因数の和:489805

約数の個数: 16

約数和(自身を含む): 47020224

約数和(自身を除く): 26448918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 489793, 979586, 1469379, 2938758, 3428551, 6857102, 10285653, 20571306]

約数ペア:

[(1, 20571306), (2, 10285653), (3, 6857102), (6, 3428551), (7, 2938758), (14, 1469379), (21, 979586), (42, 489793)]