20565887

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 22292928

約数和(自身を除く): 1727041

約数列:

[1, 23, 41, 113, 193, 943, 2599, 4439, 4633, 7913, 21809, 106559, 181999, 501607, 894169, 20565887]

約数ペア:

[(1, 20565887), (23, 894169), (41, 501607), (113, 181999), (193, 106559), (943, 21809), (2599, 7913), (4439, 4633)]