20284585

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 24930432

約数和(自身を除く): 4645847

約数列:

[1, 5, 67, 151, 335, 401, 755, 2005, 10117, 26867, 50585, 60551, 134335, 302755, 4056917, 20284585]

約数ペア:

[(1, 20284585), (5, 4056917), (67, 302755), (151, 134335), (335, 60551), (401, 50585), (755, 26867), (2005, 10117)]