20644554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{491537}}^1$

素因数の和:491549

約数の個数: 16

約数和(自身を含む): 47187648

約数和(自身を除く): 26543094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 491537, 983074, 1474611, 2949222, 3440759, 6881518, 10322277, 20644554]

約数ペア:

[(1, 20644554), (2, 10322277), (3, 6881518), (6, 3440759), (7, 2949222), (14, 1474611), (21, 983074), (42, 491537)]