20085408

素因数分解:

$2^5\times 3^7\times 7^1\times {\mathrm{41}}^1$

素因数の和:79

約数の個数: 192

約数和(自身を含む): 69431040

約数和(自身を除く): 49345632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 41, 42, 48, 54, 56, 63, 72, 81, 82, 84, 96, 108, 112, 123, 126, 144, 162, 164, 168, 189, 216, 224, 243, 246, 252, 287, 288, 324, 328, 336, 369, 378, 432, 486, 492, 504, 567, 574, 648, 656, 672, 729, 738, 756, 861, 864, 972, 984, 1008, 1107, 1134, 1148, 1296, 1312, 1458, 1476, 1512, 1701, 1722, 1944, 1968, 2016, 2187, 2214, 2268, 2296, 2583, 2592, 2916, 2952, 3024, 3321, 3402, 3444, 3888, 3936, 4374, 4428, 4536, 4592, 5103, 5166, 5832, 5904, 6048, 6642, 6804, 6888, 7749, 7776, 8748, 8856, 9072, 9184, 9963, 10206, 10332, 11664, 11808, 13284, 13608, 13776, 15309, 15498, 17496, 17712, 18144, 19926, 20412, 20664, 23247, 23328, 26568, 27216, 27552, 29889, 30618, 30996, 34992, 35424, 39852, 40824, 41328, 46494, 53136, 54432, 59778, 61236, 61992, 69741, 69984, 79704, 81648, 82656, 89667, 92988, 106272, 119556, 122472, 123984, 139482, 159408, 163296, 179334, 185976, 209223, 239112, 244944, 247968, 278964, 318816, 358668, 371952, 418446, 478224, 489888, 557928, 627669, 717336, 743904, 836892, 956448, 1115856, 1255338, 1434672, 1673784, 2231712, 2510676, 2869344, 3347568, 5021352, 6695136, 10042704, 20085408]

約数ペア:

[(1, 20085408), (2, 10042704), (3, 6695136), (4, 5021352), (6, 3347568), (7, 2869344), (8, 2510676), (9, 2231712), (12, 1673784), (14, 1434672), (16, 1255338), (18, 1115856), (21, 956448), (24, 836892), (27, 743904), (28, 717336), (32, 627669), (36, 557928), (41, 489888), (42, 478224), (48, 418446), (54, 371952), (56, 358668), (63, 318816), (72, 278964), (81, 247968), (82, 244944), (84, 239112), (96, 209223), (108, 185976), (112, 179334), (123, 163296), (126, 159408), (144, 139482), (162, 123984), (164, 122472), (168, 119556), (189, 106272), (216, 92988), (224, 89667), (243, 82656), (246, 81648), (252, 79704), (287, 69984), (288, 69741), (324, 61992), (328, 61236), (336, 59778), (369, 54432), (378, 53136), (432, 46494), (486, 41328), (492, 40824), (504, 39852), (567, 35424), (574, 34992), (648, 30996), (656, 30618), (672, 29889), (729, 27552), (738, 27216), (756, 26568), (861, 23328), (864, 23247), (972, 20664), (984, 20412), (1008, 19926), (1107, 18144), (1134, 17712), (1148, 17496), (1296, 15498), (1312, 15309), (1458, 13776), (1476, 13608), (1512, 13284), (1701, 11808), (1722, 11664), (1944, 10332), (1968, 10206), (2016, 9963), (2187, 9184), (2214, 9072), (2268, 8856), (2296, 8748), (2583, 7776), (2592, 7749), (2916, 6888), (2952, 6804), (3024, 6642), (3321, 6048), (3402, 5904), (3444, 5832), (3888, 5166), (3936, 5103), (4374, 4592), (4428, 4536)]