10203020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5051}}^1$

素因数の和:5161

約数の個数: 24

約数和(自身を含む): 21642768

約数和(自身を除く): 11439748

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 5051, 10102, 20204, 25255, 50510, 101020, 510151, 1020302, 2040604, 2550755, 5101510, 10203020]

約数ペア:

[(1, 10203020), (2, 5101510), (4, 2550755), (5, 2040604), (10, 1020302), (20, 510151), (101, 101020), (202, 50510), (404, 25255), (505, 20204), (1010, 10102), (2020, 5051)]