20184756495

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1\times {\mathrm{1021}}^1$

素因数の和:2096

約数の個数: 64

約数和(自身を含む): 34543272960

約数和(自身を除く): 14358516465

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 977, 1021, 1065, 1349, 2931, 3063, 4047, 4885, 5105, 6745, 14655, 15315, 18563, 19399, 20235, 55689, 58197, 69367, 72491, 92815, 96995, 208101, 217473, 278445, 290985, 346835, 362455, 997517, 1040505, 1087365, 1317973, 1377329, 2992551, 3953919, 4131987, 4987585, 6589865, 6886645, 14962755, 18952823, 19769595, 20659935, 56858469, 70823707, 94764115, 212471121, 284292345, 354118535, 1062355605, 1345650433, 4036951299, 6728252165, 20184756495]

約数ペア:

[(1, 20184756495), (3, 6728252165), (5, 4036951299), (15, 1345650433), (19, 1062355605), (57, 354118535), (71, 284292345), (95, 212471121), (213, 94764115), (285, 70823707), (355, 56858469), (977, 20659935), (1021, 19769595), (1065, 18952823), (1349, 14962755), (2931, 6886645), (3063, 6589865), (4047, 4987585), (4885, 4131987), (5105, 3953919), (6745, 2992551), (14655, 1377329), (15315, 1317973), (18563, 1087365), (19399, 1040505), (20235, 997517), (55689, 362455), (58197, 346835), (69367, 290985), (72491, 278445), (92815, 217473), (96995, 208101)]