20803093654

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{249863}}^1$

素因数の和:250204

約数の個数: 32

約数和(自身を含む): 37659502080

約数和(自身を除く): 16856408426

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 313, 626, 2191, 4382, 5947, 11894, 41629, 83258, 249863, 499726, 1749041, 3498082, 4747397, 9494794, 33231779, 66463558, 78207119, 156414238, 547449833, 1094899666, 1485935261, 2971870522, 10401546827, 20803093654]

約数ペア:

[(1, 20803093654), (2, 10401546827), (7, 2971870522), (14, 1485935261), (19, 1094899666), (38, 547449833), (133, 156414238), (266, 78207119), (313, 66463558), (626, 33231779), (2191, 9494794), (4382, 4747397), (5947, 3498082), (11894, 1749041), (41629, 499726), (83258, 249863)]