20531517

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{797}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 28396032

約数和(自身を除く): 7864515

約数列:

[1, 3, 31, 93, 277, 797, 831, 2391, 8587, 24707, 25761, 74121, 220769, 662307, 6843839, 20531517]

約数ペア:

[(1, 20531517), (3, 6843839), (31, 662307), (93, 220769), (277, 74121), (797, 25761), (831, 24707), (2391, 8587)]