20575480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27073}}^1$

素因数の和:27103

約数の個数: 32

約数和(自身を含む): 48733200

約数和(自身を除く): 28157720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27073, 54146, 108292, 135365, 216584, 270730, 514387, 541460, 1028774, 1082920, 2057548, 2571935, 4115096, 5143870, 10287740, 20575480]

約数ペア:

[(1, 20575480), (2, 10287740), (4, 5143870), (5, 4115096), (8, 2571935), (10, 2057548), (19, 1082920), (20, 1028774), (38, 541460), (40, 514387), (76, 270730), (95, 216584), (152, 135365), (190, 108292), (380, 54146), (760, 27073)]