20212570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288751}}^1$

素因数の和:288765

約数の個数: 16

約数和(自身を含む): 41580288

約数和(自身を除く): 21367718

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288751, 577502, 1443755, 2021257, 2887510, 4042514, 10106285, 20212570]

約数ペア:

[(1, 20212570), (2, 10106285), (5, 4042514), (7, 2887510), (10, 2021257), (14, 1443755), (35, 577502), (70, 288751)]