2009483020

素因数分解:

$2^2\times 5^1\times {\mathrm{4457}}^1\times {\mathrm{22543}}^1$

素因数の和:27009

約数の個数: 24

約数和(自身を含む): 4221048384

約数和(自身を除く): 2211565364

約数列:

[1, 2, 4, 5, 10, 20, 4457, 8914, 17828, 22285, 22543, 44570, 45086, 89140, 90172, 112715, 225430, 450860, 100474151, 200948302, 401896604, 502370755, 1004741510, 2009483020]

約数ペア:

[(1, 2009483020), (2, 1004741510), (4, 502370755), (5, 401896604), (10, 200948302), (20, 100474151), (4457, 450860), (8914, 225430), (17828, 112715), (22285, 90172), (22543, 89140), (44570, 45086)]