20326352

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66863}}^1$

素因数の和:66890

約数の個数: 20

約数和(自身を含む): 41455680

約数和(自身を除く): 21129328

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66863, 133726, 267452, 534904, 1069808, 1270397, 2540794, 5081588, 10163176, 20326352]

約数ペア:

[(1, 20326352), (2, 10163176), (4, 5081588), (8, 2540794), (16, 1270397), (19, 1069808), (38, 534904), (76, 267452), (152, 133726), (304, 66863)]