20165020270

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1\times {\mathrm{9941}}^1$

素因数の和:12876

約数の個数: 32

約数和(自身を含む): 36824849856

約数和(自身を除く): 16659829586

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2857, 5714, 9941, 14285, 19882, 28570, 49705, 99410, 202847, 405694, 705811, 1014235, 1411622, 2028470, 3529055, 7058110, 28401437, 56802874, 142007185, 284014370, 2016502027, 4033004054, 10082510135, 20165020270]

約数ペア:

[(1, 20165020270), (2, 10082510135), (5, 4033004054), (10, 2016502027), (71, 284014370), (142, 142007185), (355, 56802874), (710, 28401437), (2857, 7058110), (5714, 3529055), (9941, 2028470), (14285, 1411622), (19882, 1014235), (28570, 705811), (49705, 405694), (99410, 202847)]