20658781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1979}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 24615360

約数和(自身を除く): 3956579

約数列:

[1, 11, 13, 73, 143, 803, 949, 1979, 10439, 21769, 25727, 144467, 282997, 1589137, 1878071, 20658781]

約数ペア:

[(1, 20658781), (11, 1878071), (13, 1589137), (73, 282997), (143, 144467), (803, 25727), (949, 21769), (1979, 10439)]