20448288

素因数分解:

$2^5\times 3^4\times 7^3\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 240

約数和(自身を含む): 73180800

約数和(自身を除く): 52732512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 49, 54, 56, 63, 69, 72, 81, 84, 92, 96, 98, 108, 112, 126, 138, 144, 147, 161, 162, 168, 184, 189, 196, 207, 216, 224, 252, 276, 288, 294, 322, 324, 336, 343, 368, 378, 392, 414, 432, 441, 483, 504, 552, 567, 588, 621, 644, 648, 672, 686, 736, 756, 784, 828, 864, 882, 966, 1008, 1029, 1104, 1127, 1134, 1176, 1242, 1288, 1296, 1323, 1372, 1449, 1512, 1568, 1656, 1764, 1863, 1932, 2016, 2058, 2208, 2254, 2268, 2352, 2484, 2576, 2592, 2646, 2744, 2898, 3024, 3087, 3312, 3381, 3528, 3726, 3864, 3969, 4116, 4347, 4508, 4536, 4704, 4968, 5152, 5292, 5488, 5796, 6048, 6174, 6624, 6762, 7056, 7452, 7728, 7889, 7938, 8232, 8694, 9016, 9072, 9261, 9936, 10143, 10584, 10976, 11592, 12348, 13041, 13524, 14112, 14904, 15456, 15778, 15876, 16464, 17388, 18032, 18144, 18522, 19872, 20286, 21168, 23184, 23667, 24696, 26082, 27048, 27783, 29808, 30429, 31556, 31752, 32928, 34776, 36064, 37044, 40572, 42336, 46368, 47334, 49392, 52164, 54096, 55566, 59616, 60858, 63112, 63504, 69552, 71001, 74088, 81144, 91287, 94668, 98784, 104328, 108192, 111132, 121716, 126224, 127008, 139104, 142002, 148176, 162288, 182574, 189336, 208656, 213003, 222264, 243432, 252448, 284004, 296352, 324576, 365148, 378672, 417312, 426006, 444528, 486864, 568008, 639009, 730296, 757344, 852012, 889056, 973728, 1136016, 1278018, 1460592, 1704024, 2272032, 2556036, 2921184, 3408048, 5112072, 6816096, 10224144, 20448288]

約数ペア:

[(1, 20448288), (2, 10224144), (3, 6816096), (4, 5112072), (6, 3408048), (7, 2921184), (8, 2556036), (9, 2272032), (12, 1704024), (14, 1460592), (16, 1278018), (18, 1136016), (21, 973728), (23, 889056), (24, 852012), (27, 757344), (28, 730296), (32, 639009), (36, 568008), (42, 486864), (46, 444528), (48, 426006), (49, 417312), (54, 378672), (56, 365148), (63, 324576), (69, 296352), (72, 284004), (81, 252448), (84, 243432), (92, 222264), (96, 213003), (98, 208656), (108, 189336), (112, 182574), (126, 162288), (138, 148176), (144, 142002), (147, 139104), (161, 127008), (162, 126224), (168, 121716), (184, 111132), (189, 108192), (196, 104328), (207, 98784), (216, 94668), (224, 91287), (252, 81144), (276, 74088), (288, 71001), (294, 69552), (322, 63504), (324, 63112), (336, 60858), (343, 59616), (368, 55566), (378, 54096), (392, 52164), (414, 49392), (432, 47334), (441, 46368), (483, 42336), (504, 40572), (552, 37044), (567, 36064), (588, 34776), (621, 32928), (644, 31752), (648, 31556), (672, 30429), (686, 29808), (736, 27783), (756, 27048), (784, 26082), (828, 24696), (864, 23667), (882, 23184), (966, 21168), (1008, 20286), (1029, 19872), (1104, 18522), (1127, 18144), (1134, 18032), (1176, 17388), (1242, 16464), (1288, 15876), (1296, 15778), (1323, 15456), (1372, 14904), (1449, 14112), (1512, 13524), (1568, 13041), (1656, 12348), (1764, 11592), (1863, 10976), (1932, 10584), (2016, 10143), (2058, 9936), (2208, 9261), (2254, 9072), (2268, 9016), (2352, 8694), (2484, 8232), (2576, 7938), (2592, 7889), (2646, 7728), (2744, 7452), (2898, 7056), (3024, 6762), (3087, 6624), (3312, 6174), (3381, 6048), (3528, 5796), (3726, 5488), (3864, 5292), (3969, 5152), (4116, 4968), (4347, 4704), (4508, 4536)]