20724675

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2017}}^1$

素因数の和:2167

約数の個数: 24

約数和(自身を含む): 34532016

約数和(自身を除く): 13807341

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2017, 2055, 3425, 6051, 10085, 10275, 30255, 50425, 151275, 276329, 828987, 1381645, 4144935, 6908225, 20724675]

約数ペア:

[(1, 20724675), (3, 6908225), (5, 4144935), (15, 1381645), (25, 828987), (75, 276329), (137, 151275), (411, 50425), (685, 30255), (2017, 10275), (2055, 10085), (3425, 6051)]