20796345

素因数分解:

$3^4\times 5^1\times {\mathrm{51349}}^1$

素因数の和:51366

約数の個数: 20

約数和(自身を含む): 37280100

約数和(自身を除く): 16483755

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 51349, 154047, 256745, 462141, 770235, 1386423, 2310705, 4159269, 6932115, 20796345]

約数ペア:

[(1, 20796345), (3, 6932115), (5, 4159269), (9, 2310705), (15, 1386423), (27, 770235), (45, 462141), (81, 256745), (135, 154047), (405, 51349)]