20811274

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3739}}^1$

素因数の和:3786

約数の個数: 24

約数和(自身を含む): 35814240

約数和(自身を除く): 15002966

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3739, 5566, 7478, 41129, 82258, 85997, 171994, 452419, 904838, 945967, 1891934, 10405637, 20811274]

約数ペア:

[(1, 20811274), (2, 10405637), (11, 1891934), (22, 945967), (23, 904838), (46, 452419), (121, 171994), (242, 85997), (253, 82258), (506, 41129), (2783, 7478), (3739, 5566)]