20003256

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 49185864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 43, 52, 56, 63, 71, 72, 78, 84, 86, 91, 104, 117, 126, 129, 142, 156, 168, 172, 182, 213, 234, 252, 258, 273, 284, 301, 312, 344, 364, 387, 426, 468, 497, 504, 516, 546, 559, 568, 602, 639, 728, 774, 819, 852, 903, 923, 936, 994, 1032, 1092, 1118, 1204, 1278, 1491, 1548, 1638, 1677, 1704, 1806, 1846, 1988, 2184, 2236, 2408, 2556, 2709, 2769, 2982, 3053, 3096, 3276, 3354, 3612, 3692, 3913, 3976, 4472, 4473, 5031, 5112, 5418, 5538, 5964, 6106, 6461, 6552, 6708, 7224, 7384, 7826, 8307, 8946, 9159, 10062, 10836, 11076, 11739, 11928, 12212, 12922, 13416, 15652, 16614, 17892, 18318, 19383, 20124, 21371, 21672, 22152, 23478, 24424, 25844, 27477, 31304, 33228, 35217, 35784, 36636, 38766, 39689, 40248, 42742, 46956, 51688, 54954, 58149, 64113, 66456, 70434, 73272, 77532, 79378, 85484, 93912, 109908, 116298, 119067, 128226, 140868, 155064, 158756, 170968, 192339, 219816, 232596, 238134, 256452, 277823, 281736, 317512, 357201, 384678, 465192, 476268, 512904, 555646, 714402, 769356, 833469, 952536, 1111292, 1428804, 1538712, 1666938, 2222584, 2500407, 2857608, 3333876, 5000814, 6667752, 10001628, 20003256]

約数ペア:

[(1, 20003256), (2, 10001628), (3, 6667752), (4, 5000814), (6, 3333876), (7, 2857608), (8, 2500407), (9, 2222584), (12, 1666938), (13, 1538712), (14, 1428804), (18, 1111292), (21, 952536), (24, 833469), (26, 769356), (28, 714402), (36, 555646), (39, 512904), (42, 476268), (43, 465192), (52, 384678), (56, 357201), (63, 317512), (71, 281736), (72, 277823), (78, 256452), (84, 238134), (86, 232596), (91, 219816), (104, 192339), (117, 170968), (126, 158756), (129, 155064), (142, 140868), (156, 128226), (168, 119067), (172, 116298), (182, 109908), (213, 93912), (234, 85484), (252, 79378), (258, 77532), (273, 73272), (284, 70434), (301, 66456), (312, 64113), (344, 58149), (364, 54954), (387, 51688), (426, 46956), (468, 42742), (497, 40248), (504, 39689), (516, 38766), (546, 36636), (559, 35784), (568, 35217), (602, 33228), (639, 31304), (728, 27477), (774, 25844), (819, 24424), (852, 23478), (903, 22152), (923, 21672), (936, 21371), (994, 20124), (1032, 19383), (1092, 18318), (1118, 17892), (1204, 16614), (1278, 15652), (1491, 13416), (1548, 12922), (1638, 12212), (1677, 11928), (1704, 11739), (1806, 11076), (1846, 10836), (1988, 10062), (2184, 9159), (2236, 8946), (2408, 8307), (2556, 7826), (2709, 7384), (2769, 7224), (2982, 6708), (3053, 6552), (3096, 6461), (3276, 6106), (3354, 5964), (3612, 5538), (3692, 5418), (3913, 5112), (3976, 5031), (4472, 4473)]