20008723

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 23445504

約数和(自身を除く): 3436781

約数列:

[1, 7, 71, 127, 317, 497, 889, 2219, 9017, 22507, 40259, 63119, 157549, 281813, 2858389, 20008723]

約数ペア:

[(1, 20008723), (7, 2858389), (71, 281813), (127, 157549), (317, 63119), (497, 40259), (889, 22507), (2219, 9017)]