20470839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{13841}}^1$

素因数の和:13890

約数の個数: 16

約数和(自身を含む): 29898720

約数和(自身を除く): 9427881

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 13841, 41523, 235297, 401389, 705891, 1204167, 6823613, 20470839]

約数ペア:

[(1, 20470839), (3, 6823613), (17, 1204167), (29, 705891), (51, 401389), (87, 235297), (493, 41523), (1479, 13841)]