20215954

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{83537}}^1$

素因数の和:83561

約数の個数: 12

約数和(自身を含む): 33331662

約数和(自身を除く): 13115708

約数列:

[1, 2, 11, 22, 121, 242, 83537, 167074, 918907, 1837814, 10107977, 20215954]

約数ペア:

[(1, 20215954), (2, 10107977), (11, 1837814), (22, 918907), (121, 167074), (242, 83537)]