20491326

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{2417}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 45845280

約数和(自身を除く): 25353954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2417, 2826, 4239, 4834, 7251, 8478, 14502, 21753, 43506, 65259, 130518, 379469, 758938, 1138407, 2276814, 3415221, 6830442, 10245663, 20491326]

約数ペア:

[(1, 20491326), (2, 10245663), (3, 6830442), (6, 3415221), (9, 2276814), (18, 1138407), (27, 758938), (54, 379469), (157, 130518), (314, 65259), (471, 43506), (942, 21753), (1413, 14502), (2417, 8478), (2826, 7251), (4239, 4834)]