20763281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6271}}^1$

素因数の和:6332

約数の個数: 16

約数和(自身を含む): 26492928

約数和(自身を除く): 5729647

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 6271, 43897, 68981, 269653, 482867, 1887571, 2966183, 20763281]

約数ペア:

[(1, 20763281), (7, 2966183), (11, 1887571), (43, 482867), (77, 269653), (301, 68981), (473, 43897), (3311, 6271)]