20647836

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2267}}^1$

素因数の和:2311

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 38791908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2267, 2277, 3036, 4534, 4554, 6801, 9068, 9108, 13602, 20403, 24937, 27204, 40806, 49874, 52141, 74811, 81612, 99748, 104282, 149622, 156423, 208564, 224433, 299244, 312846, 448866, 469269, 573551, 625692, 897732, 938538, 1147102, 1720653, 1877076, 2294204, 3441306, 5161959, 6882612, 10323918, 20647836]

約数ペア:

[(1, 20647836), (2, 10323918), (3, 6882612), (4, 5161959), (6, 3441306), (9, 2294204), (11, 1877076), (12, 1720653), (18, 1147102), (22, 938538), (23, 897732), (33, 625692), (36, 573551), (44, 469269), (46, 448866), (66, 312846), (69, 299244), (92, 224433), (99, 208564), (132, 156423), (138, 149622), (198, 104282), (207, 99748), (253, 81612), (276, 74811), (396, 52141), (414, 49874), (506, 40806), (759, 27204), (828, 24937), (1012, 20403), (1518, 13602), (2267, 9108), (2277, 9068), (3036, 6801), (4534, 4554)]