20376812

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17627}}^1$

素因数の和:17665

約数の個数: 18

約数和(自身を含む): 37882572

約数和(自身を除く): 17505760

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17627, 35254, 70508, 299659, 599318, 1198636, 5094203, 10188406, 20376812]

約数ペア:

[(1, 20376812), (2, 10188406), (4, 5094203), (17, 1198636), (34, 599318), (68, 299659), (289, 70508), (578, 35254), (1156, 17627)]