20804557724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1\times {\mathrm{3691}}^1$

素因数の和:4226

約数の個数: 48

約数和(自身を含む): 38316934656

約数和(自身を除く): 17512376932

約数列:

[1, 2, 4, 23, 46, 92, 197, 311, 394, 622, 788, 1244, 3691, 4531, 7153, 7382, 9062, 14306, 14764, 18124, 28612, 61267, 84893, 122534, 169786, 245068, 339572, 727127, 1147901, 1409141, 1454254, 2295802, 2818282, 2908508, 4591604, 5636564, 16723921, 26401723, 33447842, 52803446, 66895684, 105606892, 226136497, 452272994, 904545988, 5201139431, 10402278862, 20804557724]

約数ペア:

[(1, 20804557724), (2, 10402278862), (4, 5201139431), (23, 904545988), (46, 452272994), (92, 226136497), (197, 105606892), (311, 66895684), (394, 52803446), (622, 33447842), (788, 26401723), (1244, 16723921), (3691, 5636564), (4531, 4591604), (7153, 2908508), (7382, 2818282), (9062, 2295802), (14306, 1454254), (14764, 1409141), (18124, 1147901), (28612, 727127), (61267, 339572), (84893, 245068), (122534, 169786)]