16920253

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4903}}^1$

素因数の和:4956

約数の個数: 16

約数和(自身を含む): 21185280

約数和(自身を除く): 4265027

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 4903, 34321, 83351, 142187, 583457, 995309, 2417179, 16920253]

約数ペア:

[(1, 16920253), (7, 2417179), (17, 995309), (29, 583457), (119, 142187), (203, 83351), (493, 34321), (3451, 4903)]