20604765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80803}}^1$

素因数の和:80828

約数の個数: 16

約数和(自身を含む): 34907328

約数和(自身を除く): 14302563

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 80803, 242409, 404015, 1212045, 1373651, 4120953, 6868255, 20604765]

約数ペア:

[(1, 20604765), (3, 6868255), (5, 4120953), (15, 1373651), (17, 1212045), (51, 404015), (85, 242409), (255, 80803)]