20285993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7687}}^1$

素因数の和:7736

約数の個数: 16

約数和(自身を含む): 25831680

約数和(自身を除く): 5545687

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 7687, 53809, 99931, 222923, 699517, 1560461, 2897999, 20285993]

約数ペア:

[(1, 20285993), (7, 2897999), (13, 1560461), (29, 699517), (91, 222923), (203, 99931), (377, 53809), (2639, 7687)]