20512157861

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{246271}}^1$

素因数の和:246476

約数の個数: 16

約数和(自身を含む): 22755532800

約数和(自身を除く): 2243374939

約数列:

[1, 13, 43, 149, 559, 1937, 6407, 83291, 246271, 3201523, 10589653, 36694379, 137665489, 477026927, 1577858297, 20512157861]

約数ペア:

[(1, 20512157861), (13, 1577858297), (43, 477026927), (149, 137665489), (559, 36694379), (1937, 10589653), (6407, 3201523), (83291, 246271)]