20688888

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{78367}}^1$

素因数の和:78387

約数の個数: 32

約数和(自身を含む): 56424960

約数和(自身を除く): 35736072

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78367, 156734, 235101, 313468, 470202, 626936, 862037, 940404, 1724074, 1880808, 2586111, 3448148, 5172222, 6896296, 10344444, 20688888]

約数ペア:

[(1, 20688888), (2, 10344444), (3, 6896296), (4, 5172222), (6, 3448148), (8, 2586111), (11, 1880808), (12, 1724074), (22, 940404), (24, 862037), (33, 626936), (44, 470202), (66, 313468), (88, 235101), (132, 156734), (264, 78367)]