2020449815

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1\times {\mathrm{20123}}^1$

素因数の和:20638

約数の個数: 16

約数和(自身を含む): 2486360448

約数和(自身を除く): 465910633

約数列:

[1, 5, 43, 215, 467, 2335, 20081, 20123, 100405, 100615, 865289, 4326445, 9397441, 46987205, 404089963, 2020449815]

約数ペア:

[(1, 2020449815), (5, 404089963), (43, 46987205), (215, 9397441), (467, 4326445), (2335, 865289), (20081, 100615), (20123, 100405)]