20380806

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2591}}^1$

素因数の和:2641

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 28141434

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2591, 2622, 3933, 5182, 7773, 7866, 15546, 23319, 46638, 49229, 59593, 98458, 119186, 147687, 178779, 295374, 357558, 443061, 536337, 886122, 1072674, 1132267, 2264534, 3396801, 6793602, 10190403, 20380806]

約数ペア:

[(1, 20380806), (2, 10190403), (3, 6793602), (6, 3396801), (9, 2264534), (18, 1132267), (19, 1072674), (23, 886122), (38, 536337), (46, 443061), (57, 357558), (69, 295374), (114, 178779), (138, 147687), (171, 119186), (207, 98458), (342, 59593), (414, 49229), (437, 46638), (874, 23319), (1311, 15546), (2591, 7866), (2622, 7773), (3933, 5182)]