20512305748

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42380797}}^1$

素因数の和:42380823

約数の個数: 18

約数和(自身を含む): 39456522938

約数和(自身を除く): 18944217190

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42380797, 84761594, 169523188, 466188767, 932377534, 1864755068, 5128076437, 10256152874, 20512305748]

約数ペア:

[(1, 20512305748), (2, 10256152874), (4, 5128076437), (11, 1864755068), (22, 932377534), (44, 466188767), (121, 169523188), (242, 84761594), (484, 42380797)]