20385495

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34847}}^1$

素因数の和:34871

約数の個数: 24

約数和(自身を含む): 38054016

約数和(自身を除く): 17668521

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34847, 104541, 174235, 313623, 453011, 522705, 1359033, 1568115, 2265055, 4077099, 6795165, 20385495]

約数ペア:

[(1, 20385495), (3, 6795165), (5, 4077099), (9, 2265055), (13, 1568115), (15, 1359033), (39, 522705), (45, 453011), (65, 313623), (117, 174235), (195, 104541), (585, 34847)]