20815674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{315389}}^1$

素因数の和:315405

約数の個数: 16

約数和(自身を含む): 45416160

約数和(自身を除く): 24600486

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 315389, 630778, 946167, 1892334, 3469279, 6938558, 10407837, 20815674]

約数ペア:

[(1, 20815674), (2, 10407837), (3, 6938558), (6, 3469279), (11, 1892334), (22, 946167), (33, 630778), (66, 315389)]