2080784615

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{20693}}^1$

素因数の和:20748

約数の個数: 48

約数和(自身を含む): 3271969728

約数和(自身を除く): 1191185113

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 221, 455, 595, 845, 1105, 1183, 1547, 2873, 5915, 7735, 14365, 20111, 20693, 100555, 103465, 144851, 269009, 351781, 724255, 1345045, 1758905, 1883063, 2462467, 3497117, 4573153, 9415315, 12312335, 17485585, 22865765, 24479819, 32012071, 59450989, 122399095, 160060355, 297254945, 416156923, 2080784615]

約数ペア:

[(1, 2080784615), (5, 416156923), (7, 297254945), (13, 160060355), (17, 122399095), (35, 59450989), (65, 32012071), (85, 24479819), (91, 22865765), (119, 17485585), (169, 12312335), (221, 9415315), (455, 4573153), (595, 3497117), (845, 2462467), (1105, 1883063), (1183, 1758905), (1547, 1345045), (2873, 724255), (5915, 351781), (7735, 269009), (14365, 144851), (20111, 103465), (20693, 100555)]