20297361

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{33329}}^1$

素因数の和:33368

約数の個数: 16

約数和(自身を含む): 31996800

約数和(自身を除く): 11699439

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 33329, 99987, 233303, 699909, 966541, 2899623, 6765787, 20297361]

約数ペア:

[(1, 20297361), (3, 6765787), (7, 2899623), (21, 966541), (29, 699909), (87, 233303), (203, 99987), (609, 33329)]