20480829

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 27955200

約数和(自身を除く): 7474371

約数列:

[1, 3, 79, 103, 237, 309, 839, 2517, 8137, 24411, 66281, 86417, 198843, 259251, 6826943, 20480829]

約数ペア:

[(1, 20480829), (3, 6826943), (79, 259251), (103, 198843), (237, 86417), (309, 66281), (839, 24411), (2517, 8137)]