20206984

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4943}}^1$

素因数の和:5029

約数の個数: 32

約数和(自身を含む): 43902720

約数和(自身を除く): 23695736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 4943, 9886, 19772, 34601, 39544, 69202, 138404, 276808, 360839, 721678, 1443356, 2525873, 2886712, 5051746, 10103492, 20206984]

約数ペア:

[(1, 20206984), (2, 10103492), (4, 5051746), (7, 2886712), (8, 2525873), (14, 1443356), (28, 721678), (56, 360839), (73, 276808), (146, 138404), (292, 69202), (511, 39544), (584, 34601), (1022, 19772), (2044, 9886), (4088, 4943)]