20173890939

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{14249}}^1$

素因数の和:14380

約数の個数: 48

約数和(自身を含む): 30238272000

約数和(自身を除く): 10064381061

約数列:

[1, 3, 17, 23, 51, 69, 71, 213, 289, 391, 867, 1173, 1207, 1633, 3621, 4899, 6647, 14249, 19941, 20519, 27761, 42747, 61557, 83283, 242233, 327727, 471937, 726699, 983181, 1011679, 1415811, 3035037, 4117961, 5571359, 12353883, 16714077, 17198543, 23268617, 51595629, 69805851, 94713103, 284139309, 292375231, 395566489, 877125693, 1186699467, 6724630313, 20173890939]

約数ペア:

[(1, 20173890939), (3, 6724630313), (17, 1186699467), (23, 877125693), (51, 395566489), (69, 292375231), (71, 284139309), (213, 94713103), (289, 69805851), (391, 51595629), (867, 23268617), (1173, 17198543), (1207, 16714077), (1633, 12353883), (3621, 5571359), (4899, 4117961), (6647, 3035037), (14249, 1415811), (19941, 1011679), (20519, 983181), (27761, 726699), (42747, 471937), (61557, 327727), (83283, 242233)]