20685492793

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{380269}}^1$

素因数の和:380704

約数の個数: 16

約数和(自身を含む): 24945712000

約数和(自身を除く): 4260219207

約数列:

[1, 7, 19, 133, 409, 2863, 7771, 54397, 380269, 2661883, 7225111, 50575777, 155530021, 1088710147, 2955070399, 20685492793]

約数ペア:

[(1, 20685492793), (7, 2955070399), (19, 1088710147), (133, 155530021), (409, 50575777), (2863, 7225111), (7771, 2661883), (54397, 380269)]