20742699

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 29626560

約数和(自身を除く): 8883861

約数列:

[1, 3, 19, 57, 107, 179, 321, 361, 537, 1083, 2033, 3401, 6099, 10203, 19153, 38627, 57459, 64619, 115881, 193857, 363907, 1091721, 6914233, 20742699]

約数ペア:

[(1, 20742699), (3, 6914233), (19, 1091721), (57, 363907), (107, 193857), (179, 115881), (321, 64619), (361, 57459), (537, 38627), (1083, 19153), (2033, 10203), (3401, 6099)]