20439188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66361}}^1$

素因数の和:66383

約数の個数: 24

約数和(自身を含む): 44595264

約数和(自身を除く): 24156076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66361, 132722, 265444, 464527, 729971, 929054, 1459942, 1858108, 2919884, 5109797, 10219594, 20439188]

約数ペア:

[(1, 20439188), (2, 10219594), (4, 5109797), (7, 2919884), (11, 1858108), (14, 1459942), (22, 929054), (28, 729971), (44, 464527), (77, 265444), (154, 132722), (308, 66361)]