20808144

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{983}}^1$

素因数の和:1014

約数の個数: 120

約数和(自身を含む): 69549120

約数和(自身を除く): 48740976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 983, 1008, 1176, 1323, 1512, 1764, 1966, 2352, 2646, 2949, 3024, 3528, 3932, 5292, 5898, 6881, 7056, 7864, 8847, 10584, 11796, 13762, 15728, 17694, 20643, 21168, 23592, 26541, 27524, 35388, 41286, 47184, 48167, 53082, 55048, 61929, 70776, 82572, 96334, 106164, 110096, 123858, 141552, 144501, 165144, 185787, 192668, 212328, 247716, 289002, 330288, 371574, 385336, 424656, 433503, 495432, 578004, 743148, 770672, 867006, 990864, 1156008, 1300509, 1486296, 1734012, 2312016, 2601018, 2972592, 3468024, 5202036, 6936048, 10404072, 20808144]

約数ペア:

[(1, 20808144), (2, 10404072), (3, 6936048), (4, 5202036), (6, 3468024), (7, 2972592), (8, 2601018), (9, 2312016), (12, 1734012), (14, 1486296), (16, 1300509), (18, 1156008), (21, 990864), (24, 867006), (27, 770672), (28, 743148), (36, 578004), (42, 495432), (48, 433503), (49, 424656), (54, 385336), (56, 371574), (63, 330288), (72, 289002), (84, 247716), (98, 212328), (108, 192668), (112, 185787), (126, 165144), (144, 144501), (147, 141552), (168, 123858), (189, 110096), (196, 106164), (216, 96334), (252, 82572), (294, 70776), (336, 61929), (378, 55048), (392, 53082), (432, 48167), (441, 47184), (504, 41286), (588, 35388), (756, 27524), (784, 26541), (882, 23592), (983, 21168), (1008, 20643), (1176, 17694), (1323, 15728), (1512, 13762), (1764, 11796), (1966, 10584), (2352, 8847), (2646, 7864), (2949, 7056), (3024, 6881), (3528, 5898), (3932, 5292)]