20727161

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5297}}^1$

素因数の和:5360

約数の個数: 16

約数和(自身を含む): 26108544

約数和(自身を除く): 5381383

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5297, 37079, 68861, 227771, 482027, 1594397, 2961023, 20727161]

約数ペア:

[(1, 20727161), (7, 2961023), (13, 1594397), (43, 482027), (91, 227771), (301, 68861), (559, 37079), (3913, 5297)]