20457958136

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33210971}}^1$

素因数の和:33210995

約数の個数: 32

約数和(自身を含む): 47823799680

約数和(自身を除く): 27365841544

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33210971, 66421942, 132843884, 232476797, 265687768, 365320681, 464953594, 730641362, 929907188, 1461282724, 1859814376, 2557244767, 2922565448, 5114489534, 10228979068, 20457958136]

約数ペア:

[(1, 20457958136), (2, 10228979068), (4, 5114489534), (7, 2922565448), (8, 2557244767), (11, 1859814376), (14, 1461282724), (22, 929907188), (28, 730641362), (44, 464953594), (56, 365320681), (77, 265687768), (88, 232476797), (154, 132843884), (308, 66421942), (616, 33210971)]