20489366

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2111}}^1$

素因数の和:2347

約数の個数: 16

約数和(自身を含む): 32237568

約数和(自身を除く): 11748202

約数列:

[1, 2, 23, 46, 211, 422, 2111, 4222, 4853, 9706, 48553, 97106, 445421, 890842, 10244683, 20489366]

約数ペア:

[(1, 20489366), (2, 10244683), (23, 890842), (46, 445421), (211, 97106), (422, 48553), (2111, 9706), (4222, 4853)]