20812660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94603}}^1$

素因数の和:94623

約数の個数: 24

約数和(自身を含む): 47680416

約数和(自身を除く): 26867756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94603, 189206, 378412, 473015, 946030, 1040633, 1892060, 2081266, 4162532, 5203165, 10406330, 20812660]

約数ペア:

[(1, 20812660), (2, 10406330), (4, 5203165), (5, 4162532), (10, 2081266), (11, 1892060), (20, 1040633), (22, 946030), (44, 473015), (55, 378412), (110, 189206), (220, 94603)]