20984832

素因数分解:

$2^{10}\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 220

約数和(自身を含む): 71333856

約数和(自身を除く): 50349024

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 27, 32, 33, 36, 44, 46, 48, 54, 64, 66, 69, 72, 81, 88, 92, 96, 99, 108, 128, 132, 138, 144, 162, 176, 184, 192, 198, 207, 216, 253, 256, 264, 276, 288, 297, 324, 352, 368, 384, 396, 414, 432, 506, 512, 528, 552, 576, 594, 621, 648, 704, 736, 759, 768, 792, 828, 864, 891, 1012, 1024, 1056, 1104, 1152, 1188, 1242, 1296, 1408, 1472, 1518, 1536, 1584, 1656, 1728, 1782, 1863, 2024, 2112, 2208, 2277, 2304, 2376, 2484, 2592, 2816, 2944, 3036, 3072, 3168, 3312, 3456, 3564, 3726, 4048, 4224, 4416, 4554, 4608, 4752, 4968, 5184, 5632, 5888, 6072, 6336, 6624, 6831, 6912, 7128, 7452, 8096, 8448, 8832, 9108, 9216, 9504, 9936, 10368, 11264, 11776, 12144, 12672, 13248, 13662, 13824, 14256, 14904, 16192, 16896, 17664, 18216, 19008, 19872, 20493, 20736, 23552, 24288, 25344, 26496, 27324, 27648, 28512, 29808, 32384, 33792, 35328, 36432, 38016, 39744, 40986, 41472, 48576, 50688, 52992, 54648, 57024, 59616, 64768, 70656, 72864, 76032, 79488, 81972, 82944, 97152, 101376, 105984, 109296, 114048, 119232, 129536, 145728, 152064, 158976, 163944, 194304, 211968, 218592, 228096, 238464, 259072, 291456, 304128, 317952, 327888, 388608, 437184, 456192, 476928, 582912, 635904, 655776, 777216, 874368, 912384, 953856, 1165824, 1311552, 1748736, 1907712, 2331648, 2623104, 3497472, 5246208, 6994944, 10492416, 20984832]

約数ペア:

[(1, 20984832), (2, 10492416), (3, 6994944), (4, 5246208), (6, 3497472), (8, 2623104), (9, 2331648), (11, 1907712), (12, 1748736), (16, 1311552), (18, 1165824), (22, 953856), (23, 912384), (24, 874368), (27, 777216), (32, 655776), (33, 635904), (36, 582912), (44, 476928), (46, 456192), (48, 437184), (54, 388608), (64, 327888), (66, 317952), (69, 304128), (72, 291456), (81, 259072), (88, 238464), (92, 228096), (96, 218592), (99, 211968), (108, 194304), (128, 163944), (132, 158976), (138, 152064), (144, 145728), (162, 129536), (176, 119232), (184, 114048), (192, 109296), (198, 105984), (207, 101376), (216, 97152), (253, 82944), (256, 81972), (264, 79488), (276, 76032), (288, 72864), (297, 70656), (324, 64768), (352, 59616), (368, 57024), (384, 54648), (396, 52992), (414, 50688), (432, 48576), (506, 41472), (512, 40986), (528, 39744), (552, 38016), (576, 36432), (594, 35328), (621, 33792), (648, 32384), (704, 29808), (736, 28512), (759, 27648), (768, 27324), (792, 26496), (828, 25344), (864, 24288), (891, 23552), (1012, 20736), (1024, 20493), (1056, 19872), (1104, 19008), (1152, 18216), (1188, 17664), (1242, 16896), (1296, 16192), (1408, 14904), (1472, 14256), (1518, 13824), (1536, 13662), (1584, 13248), (1656, 12672), (1728, 12144), (1782, 11776), (1863, 11264), (2024, 10368), (2112, 9936), (2208, 9504), (2277, 9216), (2304, 9108), (2376, 8832), (2484, 8448), (2592, 8096), (2816, 7452), (2944, 7128), (3036, 6912), (3072, 6831), (3168, 6624), (3312, 6336), (3456, 6072), (3564, 5888), (3726, 5632), (4048, 5184), (4224, 4968), (4416, 4752), (4554, 4608)]