20531770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293311}}^1$

素因数の和:293325

約数の個数: 16

約数和(自身を含む): 42236928

約数和(自身を除く): 21705158

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293311, 586622, 1466555, 2053177, 2933110, 4106354, 10265885, 20531770]

約数ペア:

[(1, 20531770), (2, 10265885), (5, 4106354), (7, 2933110), (10, 2053177), (14, 1466555), (35, 586622), (70, 293311)]