20083780

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7907}}^1$

素因数の和:8043

約数の個数: 24

約数和(自身を含む): 42513408

約数和(自身を除く): 22429628

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7907, 15814, 31628, 39535, 79070, 158140, 1004189, 2008378, 4016756, 5020945, 10041890, 20083780]

約数ペア:

[(1, 20083780), (2, 10041890), (4, 5020945), (5, 4016756), (10, 2008378), (20, 1004189), (127, 158140), (254, 79070), (508, 39535), (635, 31628), (1270, 15814), (2540, 7907)]