20717587

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 2797037

約数列:

[1, 11, 41, 71, 451, 647, 781, 2911, 7117, 26527, 32021, 45937, 291797, 505307, 1883417, 20717587]

約数ペア:

[(1, 20717587), (11, 1883417), (41, 505307), (71, 291797), (451, 45937), (647, 32021), (781, 26527), (2911, 7117)]