803442020

素因数分解:

$2^2\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{18869}}^1$

素因数の和:21007

約数の個数: 24

約数和(自身を含む): 1688110200

約数和(自身を除く): 884668180

約数列:

[1, 2, 4, 5, 10, 20, 2129, 4258, 8516, 10645, 18869, 21290, 37738, 42580, 75476, 94345, 188690, 377380, 40172101, 80344202, 160688404, 200860505, 401721010, 803442020]

約数ペア:

[(1, 803442020), (2, 401721010), (4, 200860505), (5, 160688404), (10, 80344202), (20, 40172101), (2129, 377380), (4258, 188690), (8516, 94345), (10645, 75476), (18869, 42580), (21290, 37738)]