20158155

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12107}}^1$

素因数の和:12155

約数の個数: 24

約数和(自身を含む): 35888112

約数和(自身を除く): 15729957

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 12107, 36321, 60535, 108963, 181605, 447959, 544815, 1343877, 2239795, 4031631, 6719385, 20158155]

約数ペア:

[(1, 20158155), (3, 6719385), (5, 4031631), (9, 2239795), (15, 1343877), (37, 544815), (45, 447959), (111, 181605), (185, 108963), (333, 60535), (555, 36321), (1665, 12107)]