20188045756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1\times {\mathrm{3299}}^1$

素因数の和:4498

約数の個数: 48

約数和(自身を含む): 37743552000

約数和(自身を除く): 17555506244

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1103, 1387, 2206, 2774, 3299, 4412, 5548, 6598, 13196, 20957, 41914, 62681, 80519, 83828, 125362, 161038, 240827, 250724, 322076, 481654, 963308, 1529861, 3059722, 3638797, 4575713, 6119444, 7277594, 9151426, 14555188, 18302852, 69137143, 138274286, 265632181, 276548572, 531264362, 1062528724, 5047011439, 10094022878, 20188045756]

約数ペア:

[(1, 20188045756), (2, 10094022878), (4, 5047011439), (19, 1062528724), (38, 531264362), (73, 276548572), (76, 265632181), (146, 138274286), (292, 69137143), (1103, 18302852), (1387, 14555188), (2206, 9151426), (2774, 7277594), (3299, 6119444), (4412, 4575713), (5548, 3638797), (6598, 3059722), (13196, 1529861), (20957, 963308), (41914, 481654), (62681, 322076), (80519, 250724), (83828, 240827), (125362, 161038)]