2021060

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 4280640

約数和(自身を除く): 2259580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 727, 1390, 1454, 2780, 2908, 3635, 7270, 14540, 101053, 202106, 404212, 505265, 1010530, 2021060]

約数ペア:

[(1, 2021060), (2, 1010530), (4, 505265), (5, 404212), (10, 202106), (20, 101053), (139, 14540), (278, 7270), (556, 3635), (695, 2908), (727, 2780), (1390, 1454)]