201820538

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 324739584

約数和(自身を除く): 122919046

約数列:

[1, 2, 23, 46, 47, 94, 277, 337, 554, 674, 1081, 2162, 6371, 7751, 12742, 13019, 15502, 15839, 26038, 31678, 93349, 186698, 299437, 364297, 598874, 728594, 2147027, 4294054, 4387403, 8774806, 100910269, 201820538]

約数ペア:

[(1, 201820538), (2, 100910269), (23, 8774806), (46, 4387403), (47, 4294054), (94, 2147027), (277, 728594), (337, 598874), (554, 364297), (674, 299437), (1081, 186698), (2162, 93349), (6371, 31678), (7751, 26038), (12742, 15839), (13019, 15502)]