20506636

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 36568224

約数和(自身を除く): 16061588

約数列:

[1, 2, 4, 101, 193, 202, 263, 386, 404, 526, 772, 1052, 19493, 26563, 38986, 50759, 53126, 77972, 101518, 106252, 203036, 5126659, 10253318, 20506636]

約数ペア:

[(1, 20506636), (2, 10253318), (4, 5126659), (101, 203036), (193, 106252), (202, 101518), (263, 77972), (386, 53126), (404, 50759), (526, 38986), (772, 26563), (1052, 19493)]