20882165

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 25868160

約数和(自身を除く): 4985995

約数列:

[1, 5, 59, 71, 295, 355, 997, 4189, 4985, 20945, 58823, 70787, 294115, 353935, 4176433, 20882165]

約数ペア:

[(1, 20882165), (5, 4176433), (59, 353935), (71, 294115), (295, 70787), (355, 58823), (997, 20945), (4189, 4985)]