20512888

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21191}}^1$

素因数の和:21219

約数の個数: 24

約数和(自身を含む): 42278040

約数和(自身を除く): 21765152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21191, 42382, 84764, 169528, 233101, 466202, 932404, 1864808, 2564111, 5128222, 10256444, 20512888]

約数ペア:

[(1, 20512888), (2, 10256444), (4, 5128222), (8, 2564111), (11, 1864808), (22, 932404), (44, 466202), (88, 233101), (121, 169528), (242, 84764), (484, 42382), (968, 21191)]