20804202

素因数分解:

$2^1\times 3^6\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:790

約数の個数: 56

約数和(自身を含む): 49316160

約数和(自身を除く): 28511958

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 729, 751, 1026, 1458, 1502, 1539, 2253, 3078, 4506, 4617, 6759, 9234, 13518, 13851, 14269, 20277, 27702, 28538, 40554, 42807, 60831, 85614, 121662, 128421, 182493, 256842, 364986, 385263, 547479, 770526, 1094958, 1155789, 2311578, 3467367, 6934734, 10402101, 20804202]

約数ペア:

[(1, 20804202), (2, 10402101), (3, 6934734), (6, 3467367), (9, 2311578), (18, 1155789), (19, 1094958), (27, 770526), (38, 547479), (54, 385263), (57, 364986), (81, 256842), (114, 182493), (162, 128421), (171, 121662), (243, 85614), (342, 60831), (486, 42807), (513, 40554), (729, 28538), (751, 27702), (1026, 20277), (1458, 14269), (1502, 13851), (1539, 13518), (2253, 9234), (3078, 6759), (4506, 4617)]