20780627

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 24579072

約数和(自身を除く): 3798445

約数列:

[1, 7, 47, 83, 329, 581, 761, 3901, 5327, 27307, 35767, 63163, 250369, 442141, 2968661, 20780627]

約数ペア:

[(1, 20780627), (7, 2968661), (47, 442141), (83, 250369), (329, 63163), (581, 35767), (761, 27307), (3901, 5327)]