20085831

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5107}}^1$

素因数の和:5155

約数の個数: 24

約数和(自身を含む): 31873920

約数和(自身を除く): 11788089

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5107, 15321, 45963, 97033, 117461, 291099, 352383, 873297, 1057149, 2231759, 6695277, 20085831]

約数ペア:

[(1, 20085831), (3, 6695277), (9, 2231759), (19, 1057149), (23, 873297), (57, 352383), (69, 291099), (171, 117461), (207, 97033), (437, 45963), (1311, 15321), (3933, 5107)]