20210002580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23500003}}^1$

素因数の和:23500055

約数の個数: 24

約数和(自身を含む): 43428007392

約数和(自身を除く): 23218004812

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23500003, 47000006, 94000012, 117500015, 235000030, 470000060, 1010500129, 2021000258, 4042000516, 5052500645, 10105001290, 20210002580]

約数ペア:

[(1, 20210002580), (2, 10105001290), (4, 5052500645), (5, 4042000516), (10, 2021000258), (20, 1010500129), (43, 470000060), (86, 235000030), (172, 117500015), (215, 94000012), (430, 47000006), (860, 23500003)]