20508532

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42373}}^1$

素因数の和:42399

約数の個数: 18

約数和(自身を含む): 39450194

約数和(自身を除く): 18941662

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42373, 84746, 169492, 466103, 932206, 1864412, 5127133, 10254266, 20508532]

約数ペア:

[(1, 20508532), (2, 10254266), (4, 5127133), (11, 1864412), (22, 932206), (44, 466103), (121, 169492), (242, 84746), (484, 42373)]