20040138

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{3557}}^1$

素因数の和:3878

約数の個数: 24

約数和(自身を含む): 43571268

約数和(自身を除く): 23531130

約数列:

[1, 2, 3, 6, 9, 18, 313, 626, 939, 1878, 2817, 3557, 5634, 7114, 10671, 21342, 32013, 64026, 1113341, 2226682, 3340023, 6680046, 10020069, 20040138]

約数ペア:

[(1, 20040138), (2, 10020069), (3, 6680046), (6, 3340023), (9, 2226682), (18, 1113341), (313, 64026), (626, 32013), (939, 21342), (1878, 10671), (2817, 7114), (3557, 5634)]