20519772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 66232320

約数和(自身を除く): 45712548

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 23, 26, 28, 38, 39, 42, 43, 46, 52, 57, 69, 76, 78, 84, 86, 91, 92, 114, 129, 133, 138, 156, 161, 172, 182, 228, 247, 258, 266, 273, 276, 299, 301, 322, 364, 399, 437, 483, 494, 516, 532, 546, 559, 598, 602, 644, 741, 798, 817, 874, 897, 903, 966, 988, 989, 1092, 1118, 1196, 1204, 1311, 1482, 1596, 1634, 1677, 1729, 1748, 1794, 1806, 1932, 1978, 2093, 2236, 2451, 2622, 2964, 2967, 3059, 3268, 3354, 3458, 3588, 3612, 3913, 3956, 4186, 4902, 5187, 5244, 5681, 5719, 5934, 6118, 6279, 6708, 6916, 6923, 7826, 8372, 9177, 9804, 10374, 10621, 11362, 11438, 11739, 11868, 12236, 12558, 12857, 13846, 15652, 17043, 17157, 18354, 18791, 20748, 20769, 21242, 22724, 22876, 23478, 25116, 25714, 27692, 31863, 34086, 34314, 36708, 37582, 38571, 39767, 41538, 42484, 46956, 51428, 56373, 63726, 68172, 68628, 74347, 75164, 77142, 79534, 83076, 89999, 112746, 119301, 127452, 131537, 148694, 154284, 159068, 179998, 223041, 225492, 238602, 244283, 263074, 269997, 297388, 359996, 394611, 446082, 477204, 488566, 526148, 539994, 732849, 789222, 892164, 977132, 1079988, 1465698, 1578444, 1709981, 2931396, 3419962, 5129943, 6839924, 10259886, 20519772]

約数ペア:

[(1, 20519772), (2, 10259886), (3, 6839924), (4, 5129943), (6, 3419962), (7, 2931396), (12, 1709981), (13, 1578444), (14, 1465698), (19, 1079988), (21, 977132), (23, 892164), (26, 789222), (28, 732849), (38, 539994), (39, 526148), (42, 488566), (43, 477204), (46, 446082), (52, 394611), (57, 359996), (69, 297388), (76, 269997), (78, 263074), (84, 244283), (86, 238602), (91, 225492), (92, 223041), (114, 179998), (129, 159068), (133, 154284), (138, 148694), (156, 131537), (161, 127452), (172, 119301), (182, 112746), (228, 89999), (247, 83076), (258, 79534), (266, 77142), (273, 75164), (276, 74347), (299, 68628), (301, 68172), (322, 63726), (364, 56373), (399, 51428), (437, 46956), (483, 42484), (494, 41538), (516, 39767), (532, 38571), (546, 37582), (559, 36708), (598, 34314), (602, 34086), (644, 31863), (741, 27692), (798, 25714), (817, 25116), (874, 23478), (897, 22876), (903, 22724), (966, 21242), (988, 20769), (989, 20748), (1092, 18791), (1118, 18354), (1196, 17157), (1204, 17043), (1311, 15652), (1482, 13846), (1596, 12857), (1634, 12558), (1677, 12236), (1729, 11868), (1748, 11739), (1794, 11438), (1806, 11362), (1932, 10621), (1978, 10374), (2093, 9804), (2236, 9177), (2451, 8372), (2622, 7826), (2964, 6923), (2967, 6916), (3059, 6708), (3268, 6279), (3354, 6118), (3458, 5934), (3588, 5719), (3612, 5681), (3913, 5244), (3956, 5187), (4186, 4902)]