20550068

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66721}}^1$

素因数の和:66743

約数の個数: 24

約数和(自身を含む): 44837184

約数和(自身を除く): 24287116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66721, 133442, 266884, 467047, 733931, 934094, 1467862, 1868188, 2935724, 5137517, 10275034, 20550068]

約数ペア:

[(1, 20550068), (2, 10275034), (4, 5137517), (7, 2935724), (11, 1868188), (14, 1467862), (22, 934094), (28, 733931), (44, 467047), (77, 266884), (154, 133442), (308, 66721)]