20498618

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11177}}^1$

素因数の和:11317

約数の個数: 16

約数和(自身を含む): 35411904

約数和(自身を除く): 14913286

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11177, 22354, 78239, 156478, 1464187, 2928374, 10249309, 20498618]

約数ペア:

[(1, 20498618), (2, 10249309), (7, 2928374), (14, 1464187), (131, 156478), (262, 78239), (917, 22354), (1834, 11177)]