20621244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1933}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 55451648

約数和(自身を除く): 34830404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 1933, 2667, 3556, 3866, 5334, 5799, 7732, 10668, 11598, 13531, 23196, 27062, 40593, 54124, 81186, 162372, 245491, 490982, 736473, 981964, 1472946, 1718437, 2945892, 3436874, 5155311, 6873748, 10310622, 20621244]

約数ペア:

[(1, 20621244), (2, 10310622), (3, 6873748), (4, 5155311), (6, 3436874), (7, 2945892), (12, 1718437), (14, 1472946), (21, 981964), (28, 736473), (42, 490982), (84, 245491), (127, 162372), (254, 81186), (381, 54124), (508, 40593), (762, 27062), (889, 23196), (1524, 13531), (1778, 11598), (1933, 10668), (2667, 7732), (3556, 5799), (3866, 5334)]