20810032

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 42434784

約数和(自身を除く): 21624752

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 193, 293, 368, 386, 586, 772, 1172, 1544, 2344, 3088, 4439, 4688, 6739, 8878, 13478, 17756, 26956, 35512, 53912, 56549, 71024, 107824, 113098, 226196, 452392, 904784, 1300627, 2601254, 5202508, 10405016, 20810032]

約数ペア:

[(1, 20810032), (2, 10405016), (4, 5202508), (8, 2601254), (16, 1300627), (23, 904784), (46, 452392), (92, 226196), (184, 113098), (193, 107824), (293, 71024), (368, 56549), (386, 53912), (586, 35512), (772, 26956), (1172, 17756), (1544, 13478), (2344, 8878), (3088, 6739), (4439, 4688)]