20823531

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2143}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 28815360

約数和(自身を除く): 7991829

約数列:

[1, 3, 41, 79, 123, 237, 2143, 3239, 6429, 9717, 87863, 169297, 263589, 507891, 6941177, 20823531]

約数ペア:

[(1, 20823531), (3, 6941177), (41, 507891), (79, 263589), (123, 169297), (237, 87863), (2143, 9717), (3239, 6429)]