20538798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{489019}}^1$

素因数の和:489031

約数の個数: 16

約数和(自身を含む): 46945920

約数和(自身を除く): 26407122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 489019, 978038, 1467057, 2934114, 3423133, 6846266, 10269399, 20538798]

約数ペア:

[(1, 20538798), (2, 10269399), (3, 6846266), (6, 3423133), (7, 2934114), (14, 1467057), (21, 978038), (42, 489019)]