20897657

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 23611392

約数和(自身を除く): 2713735

約数列:

[1, 11, 47, 83, 487, 517, 913, 3901, 5357, 22889, 40421, 42911, 251779, 444631, 1899787, 20897657]

約数ペア:

[(1, 20897657), (11, 1899787), (47, 444631), (83, 251779), (487, 42911), (517, 40421), (913, 22889), (3901, 5357)]