20183949

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 30618432

約数和(自身を除く): 10434483

約数列:

[1, 3, 9, 23, 69, 207, 281, 347, 843, 1041, 2529, 3123, 6463, 7981, 19389, 23943, 58167, 71829, 97507, 292521, 877563, 2242661, 6727983, 20183949]

約数ペア:

[(1, 20183949), (3, 6727983), (9, 2242661), (23, 877563), (69, 292521), (207, 97507), (281, 71829), (347, 58167), (843, 23943), (1041, 19389), (2529, 7981), (3123, 6463)]