20807732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 42940800

約数和(自身を除く): 22133068

約数列:

[1, 2, 4, 11, 22, 23, 29, 44, 46, 58, 92, 116, 253, 319, 506, 638, 667, 709, 1012, 1276, 1334, 1418, 2668, 2836, 7337, 7799, 14674, 15598, 16307, 20561, 29348, 31196, 32614, 41122, 65228, 82244, 179377, 226171, 358754, 452342, 472903, 717508, 904684, 945806, 1891612, 5201933, 10403866, 20807732]

約数ペア:

[(1, 20807732), (2, 10403866), (4, 5201933), (11, 1891612), (22, 945806), (23, 904684), (29, 717508), (44, 472903), (46, 452342), (58, 358754), (92, 226171), (116, 179377), (253, 82244), (319, 65228), (506, 41122), (638, 32614), (667, 31196), (709, 29348), (1012, 20561), (1276, 16307), (1334, 15598), (1418, 14674), (2668, 7799), (2836, 7337)]