2100022420

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{107473}}^1$

素因数の和:108459

約数の個数: 24

約数和(自身を含む): 4414602024

約数和(自身を除く): 2314579604

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 19540, 107473, 214946, 429892, 537365, 1074730, 2149460, 105001121, 210002242, 420004484, 525005605, 1050011210, 2100022420]

約数ペア:

[(1, 2100022420), (2, 1050011210), (4, 525005605), (5, 420004484), (10, 210002242), (20, 105001121), (977, 2149460), (1954, 1074730), (3908, 537365), (4885, 429892), (9770, 214946), (19540, 107473)]