20451933

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2837}}^1$

素因数の和:2938

約数の個数: 20

約数和(自身を含む): 30905820

約数和(自身を除く): 10453887

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2837, 7209, 8511, 25533, 76599, 229797, 252493, 757479, 2272437, 6817311, 20451933]

約数ペア:

[(1, 20451933), (3, 6817311), (9, 2272437), (27, 757479), (81, 252493), (89, 229797), (267, 76599), (801, 25533), (2403, 8511), (2837, 7209)]