20597868

素因数分解:

$2^2\times 3^3\times {\mathrm{269}}^1\times {\mathrm{709}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 53676000

約数和(自身を除く): 33078132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 269, 538, 709, 807, 1076, 1418, 1614, 2127, 2421, 2836, 3228, 4254, 4842, 6381, 7263, 8508, 9684, 12762, 14526, 19143, 25524, 29052, 38286, 76572, 190721, 381442, 572163, 762884, 1144326, 1716489, 2288652, 3432978, 5149467, 6865956, 10298934, 20597868]

約数ペア:

[(1, 20597868), (2, 10298934), (3, 6865956), (4, 5149467), (6, 3432978), (9, 2288652), (12, 1716489), (18, 1144326), (27, 762884), (36, 572163), (54, 381442), (108, 190721), (269, 76572), (538, 38286), (709, 29052), (807, 25524), (1076, 19143), (1418, 14526), (1614, 12762), (2127, 9684), (2421, 8508), (2836, 7263), (3228, 6381), (4254, 4842)]