20417343

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1979}}^1$

素因数の和:2182

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 8411457

約数列:

[1, 3, 19, 57, 181, 543, 1979, 3439, 5937, 10317, 37601, 112803, 358199, 1074597, 6805781, 20417343]

約数ペア:

[(1, 20417343), (3, 6805781), (19, 1074597), (57, 358199), (181, 112803), (543, 37601), (1979, 10317), (3439, 5937)]