20454759

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2213}}^1$

素因数の和:2311

約数の個数: 24

約数和(自身を含む): 32235840

約数和(自身を除く): 11781081

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 2213, 3081, 6639, 9243, 19917, 28769, 86307, 174827, 258921, 524481, 1573443, 2272751, 6818253, 20454759]

約数ペア:

[(1, 20454759), (3, 6818253), (9, 2272751), (13, 1573443), (39, 524481), (79, 258921), (117, 174827), (237, 86307), (711, 28769), (1027, 19917), (2213, 9243), (3081, 6639)]