20663025

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2011}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 34429344

約数和(自身を除く): 13766319

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2011, 2055, 3425, 6033, 10055, 10275, 30165, 50275, 150825, 275507, 826521, 1377535, 4132605, 6887675, 20663025]

約数ペア:

[(1, 20663025), (3, 6887675), (5, 4132605), (15, 1377535), (25, 826521), (75, 275507), (137, 150825), (411, 50275), (685, 30165), (2011, 10275), (2055, 10055), (3425, 6033)]