20390786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{46133}}^1$

素因数の和:46165

約数の個数: 16

約数和(自身を含む): 34877304

約数和(自身を除く): 14486518

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 46133, 92266, 599729, 784261, 1199458, 1568522, 10195393, 20390786]

約数ペア:

[(1, 20390786), (2, 10195393), (13, 1568522), (17, 1199458), (26, 784261), (34, 599729), (221, 92266), (442, 46133)]