20572293

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9511}}^1$

素因数の和:9624

約数の個数: 16

約数和(自身を含む): 31655936

約数和(自身を除く): 11083643

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9511, 28533, 66577, 199731, 979633, 2938899, 6857431, 20572293]

約数ペア:

[(1, 20572293), (3, 6857431), (7, 2938899), (21, 979633), (103, 199731), (309, 66577), (721, 28533), (2163, 9511)]