20714415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81233}}^1$

素因数の和:81258

約数の個数: 16

約数和(自身を含む): 35093088

約数和(自身を除く): 14378673

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 81233, 243699, 406165, 1218495, 1380961, 4142883, 6904805, 20714415]

約数ペア:

[(1, 20714415), (3, 6904805), (5, 4142883), (15, 1380961), (17, 1218495), (51, 406165), (85, 243699), (255, 81233)]