20681503199

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1\times {\mathrm{48821}}^1$

素因数の和:49730

約数の個数: 16

約数和(自身を含む): 23989177920

約数和(自身を除く): 3307674721

約数列:

[1, 7, 73, 511, 829, 5803, 48821, 60517, 341747, 423619, 3563933, 24947531, 40472609, 283308263, 2954500457, 20681503199]

約数ペア:

[(1, 20681503199), (7, 2954500457), (73, 283308263), (511, 40472609), (829, 24947531), (5803, 3563933), (48821, 423619), (60517, 341747)]