20577564

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 120

約数和(自身を含む): 63206528

約数和(自身を除く): 42628964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 81, 84, 86, 108, 126, 129, 162, 172, 189, 211, 252, 258, 301, 324, 378, 387, 422, 516, 567, 602, 633, 756, 774, 844, 903, 1134, 1161, 1204, 1266, 1477, 1548, 1806, 1899, 2268, 2322, 2532, 2709, 2954, 3483, 3612, 3798, 4431, 4644, 5418, 5697, 5908, 6966, 7596, 8127, 8862, 9073, 10836, 11394, 13293, 13932, 16254, 17091, 17724, 18146, 22788, 24381, 26586, 27219, 32508, 34182, 36292, 39879, 48762, 53172, 54438, 63511, 68364, 79758, 81657, 97524, 108876, 119637, 127022, 159516, 163314, 190533, 239274, 244971, 254044, 326628, 381066, 478548, 489942, 571599, 734913, 762132, 979884, 1143198, 1469826, 1714797, 2286396, 2939652, 3429594, 5144391, 6859188, 10288782, 20577564]

約数ペア:

[(1, 20577564), (2, 10288782), (3, 6859188), (4, 5144391), (6, 3429594), (7, 2939652), (9, 2286396), (12, 1714797), (14, 1469826), (18, 1143198), (21, 979884), (27, 762132), (28, 734913), (36, 571599), (42, 489942), (43, 478548), (54, 381066), (63, 326628), (81, 254044), (84, 244971), (86, 239274), (108, 190533), (126, 163314), (129, 159516), (162, 127022), (172, 119637), (189, 108876), (211, 97524), (252, 81657), (258, 79758), (301, 68364), (324, 63511), (378, 54438), (387, 53172), (422, 48762), (516, 39879), (567, 36292), (602, 34182), (633, 32508), (756, 27219), (774, 26586), (844, 24381), (903, 22788), (1134, 18146), (1161, 17724), (1204, 17091), (1266, 16254), (1477, 13932), (1548, 13293), (1806, 11394), (1899, 10836), (2268, 9073), (2322, 8862), (2532, 8127), (2709, 7596), (2954, 6966), (3483, 5908), (3612, 5697), (3798, 5418), (4431, 4644)]