20324440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9587}}^1$

素因数の和:9651

約数の個数: 32

約数和(自身を含む): 46597680

約数和(自身を除く): 26273240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9587, 19174, 38348, 47935, 76696, 95870, 191740, 383480, 508111, 1016222, 2032444, 2540555, 4064888, 5081110, 10162220, 20324440]

約数ペア:

[(1, 20324440), (2, 10162220), (4, 5081110), (5, 4064888), (8, 2540555), (10, 2032444), (20, 1016222), (40, 508111), (53, 383480), (106, 191740), (212, 95870), (265, 76696), (424, 47935), (530, 38348), (1060, 19174), (2120, 9587)]