20285541

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 30068480

約数和(自身を除く): 9782939

約数列:

[1, 3, 9, 79, 103, 237, 277, 309, 711, 831, 927, 2493, 8137, 21883, 24411, 28531, 65649, 73233, 85593, 196947, 256779, 2253949, 6761847, 20285541]

約数ペア:

[(1, 20285541), (3, 6761847), (9, 2253949), (79, 256779), (103, 196947), (237, 85593), (277, 73233), (309, 65649), (711, 28531), (831, 24411), (927, 21883), (2493, 8137)]