20782314

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8681}}^1$

素因数の和:8715

約数の個数: 48

約数和(自身を含む): 54175680

約数和(自身を除く): 33393366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8681, 17362, 26043, 52086, 60767, 78129, 121534, 156258, 164939, 182301, 329878, 364602, 494817, 546903, 989634, 1093806, 1154573, 1484451, 2309146, 2968902, 3463719, 6927438, 10391157, 20782314]

約数ペア:

[(1, 20782314), (2, 10391157), (3, 6927438), (6, 3463719), (7, 2968902), (9, 2309146), (14, 1484451), (18, 1154573), (19, 1093806), (21, 989634), (38, 546903), (42, 494817), (57, 364602), (63, 329878), (114, 182301), (126, 164939), (133, 156258), (171, 121534), (266, 78129), (342, 60767), (399, 52086), (798, 26043), (1197, 17362), (2394, 8681)]