20268140

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3301}}^1$

素因数の和:3617

約数の個数: 24

約数和(自身を含む): 42714672

約数和(自身を除く): 22446532

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 3301, 6140, 6602, 13204, 16505, 33010, 66020, 1013407, 2026814, 4053628, 5067035, 10134070, 20268140]

約数ペア:

[(1, 20268140), (2, 10134070), (4, 5067035), (5, 4053628), (10, 2026814), (20, 1013407), (307, 66020), (614, 33010), (1228, 16505), (1535, 13204), (3070, 6602), (3301, 6140)]