20729786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{134609}}^1$

素因数の和:134629

約数の個数: 16

約数和(自身を含む): 38767680

約数和(自身を除く): 18037894

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 134609, 269218, 942263, 1480699, 1884526, 2961398, 10364893, 20729786]

約数ペア:

[(1, 20729786), (2, 10364893), (7, 2961398), (11, 1884526), (14, 1480699), (22, 942263), (77, 269218), (154, 134609)]