20475906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1559}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 24452094

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 199, 398, 597, 1194, 1559, 2189, 3118, 4378, 4677, 6567, 9354, 13134, 17149, 34298, 51447, 102894, 310241, 620482, 930723, 1861446, 3412651, 6825302, 10237953, 20475906]

約数ペア:

[(1, 20475906), (2, 10237953), (3, 6825302), (6, 3412651), (11, 1861446), (22, 930723), (33, 620482), (66, 310241), (199, 102894), (398, 51447), (597, 34298), (1194, 17149), (1559, 13134), (2189, 9354), (3118, 6567), (4378, 4677)]