20119848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 61931520

約数和(自身を除く): 41811672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 41, 42, 46, 56, 69, 82, 84, 92, 123, 127, 138, 161, 164, 168, 184, 246, 254, 276, 287, 322, 328, 381, 483, 492, 508, 552, 574, 644, 762, 861, 889, 943, 966, 984, 1016, 1148, 1288, 1524, 1722, 1778, 1886, 1932, 2296, 2667, 2829, 2921, 3048, 3444, 3556, 3772, 3864, 5207, 5334, 5658, 5842, 6601, 6888, 7112, 7544, 8763, 10414, 10668, 11316, 11684, 13202, 15621, 17526, 19803, 20447, 20828, 21336, 22632, 23368, 26404, 31242, 35052, 36449, 39606, 40894, 41656, 52808, 61341, 62484, 70104, 72898, 79212, 81788, 109347, 119761, 122682, 124968, 145796, 158424, 163576, 218694, 239522, 245364, 291592, 359283, 437388, 479044, 490728, 718566, 838327, 874776, 958088, 1437132, 1676654, 2514981, 2874264, 3353308, 5029962, 6706616, 10059924, 20119848]

約数ペア:

[(1, 20119848), (2, 10059924), (3, 6706616), (4, 5029962), (6, 3353308), (7, 2874264), (8, 2514981), (12, 1676654), (14, 1437132), (21, 958088), (23, 874776), (24, 838327), (28, 718566), (41, 490728), (42, 479044), (46, 437388), (56, 359283), (69, 291592), (82, 245364), (84, 239522), (92, 218694), (123, 163576), (127, 158424), (138, 145796), (161, 124968), (164, 122682), (168, 119761), (184, 109347), (246, 81788), (254, 79212), (276, 72898), (287, 70104), (322, 62484), (328, 61341), (381, 52808), (483, 41656), (492, 40894), (508, 39606), (552, 36449), (574, 35052), (644, 31242), (762, 26404), (861, 23368), (889, 22632), (943, 21336), (966, 20828), (984, 20447), (1016, 19803), (1148, 17526), (1288, 15621), (1524, 13202), (1722, 11684), (1778, 11316), (1886, 10668), (1932, 10414), (2296, 8763), (2667, 7544), (2829, 7112), (2921, 6888), (3048, 6601), (3444, 5842), (3556, 5658), (3772, 5334), (3864, 5207)]