20445165

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34949}}^1$

素因数の和:34973

約数の個数: 24

約数和(自身を含む): 38165400

約数和(自身を除く): 17720235

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34949, 104847, 174745, 314541, 454337, 524235, 1363011, 1572705, 2271685, 4089033, 6815055, 20445165]

約数ペア:

[(1, 20445165), (3, 6815055), (5, 4089033), (9, 2271685), (13, 1572705), (15, 1363011), (39, 524235), (45, 454337), (65, 314541), (117, 174745), (195, 104847), (585, 34949)]