20586293

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5261}}^1$

素因数の和:5324

約数の個数: 16

約数和(自身を含む): 25931136

約数和(自身を除く): 5344843

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5261, 36827, 68393, 226223, 478751, 1583561, 2940899, 20586293]

約数ペア:

[(1, 20586293), (7, 2940899), (13, 1583561), (43, 478751), (91, 226223), (301, 68393), (559, 36827), (3913, 5261)]