20548891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 2530277

約数列:

[1, 11, 71, 83, 317, 781, 913, 3487, 5893, 22507, 26311, 64823, 247577, 289421, 1868081, 20548891]

約数ペア:

[(1, 20548891), (11, 1868081), (71, 289421), (83, 247577), (317, 64823), (781, 26311), (913, 22507), (3487, 5893)]