20742395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7529}}^1$

素因数の和:7582

約数の個数: 16

約数和(自身を含む): 27108000

約数和(自身を除く): 6365605

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 7529, 37645, 143051, 218341, 715255, 1091705, 4148479, 20742395]

約数ペア:

[(1, 20742395), (5, 4148479), (19, 1091705), (29, 715255), (95, 218341), (145, 143051), (551, 37645), (2755, 7529)]