20471616

素因数分解:

$2^6\times 3^4\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:394

約数の個数: 140

約数和(自身を含む): 66385440

約数和(自身を除く): 45913824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 192, 198, 216, 264, 288, 297, 324, 352, 359, 396, 432, 528, 576, 594, 648, 704, 718, 792, 864, 891, 1056, 1077, 1188, 1296, 1436, 1584, 1728, 1782, 2112, 2154, 2376, 2592, 2872, 3168, 3231, 3564, 3949, 4308, 4752, 5184, 5744, 6336, 6462, 7128, 7898, 8616, 9504, 9693, 11488, 11847, 12924, 14256, 15796, 17232, 19008, 19386, 22976, 23694, 25848, 28512, 29079, 31592, 34464, 35541, 38772, 47388, 51696, 57024, 58158, 63184, 68928, 71082, 77544, 94776, 103392, 106623, 116316, 126368, 142164, 155088, 189552, 206784, 213246, 232632, 252736, 284328, 310176, 319869, 379104, 426492, 465264, 568656, 620352, 639738, 758208, 852984, 930528, 1137312, 1279476, 1705968, 1861056, 2274624, 2558952, 3411936, 5117904, 6823872, 10235808, 20471616]

約数ペア:

[(1, 20471616), (2, 10235808), (3, 6823872), (4, 5117904), (6, 3411936), (8, 2558952), (9, 2274624), (11, 1861056), (12, 1705968), (16, 1279476), (18, 1137312), (22, 930528), (24, 852984), (27, 758208), (32, 639738), (33, 620352), (36, 568656), (44, 465264), (48, 426492), (54, 379104), (64, 319869), (66, 310176), (72, 284328), (81, 252736), (88, 232632), (96, 213246), (99, 206784), (108, 189552), (132, 155088), (144, 142164), (162, 126368), (176, 116316), (192, 106623), (198, 103392), (216, 94776), (264, 77544), (288, 71082), (297, 68928), (324, 63184), (352, 58158), (359, 57024), (396, 51696), (432, 47388), (528, 38772), (576, 35541), (594, 34464), (648, 31592), (704, 29079), (718, 28512), (792, 25848), (864, 23694), (891, 22976), (1056, 19386), (1077, 19008), (1188, 17232), (1296, 15796), (1436, 14256), (1584, 12924), (1728, 11847), (1782, 11488), (2112, 9693), (2154, 9504), (2376, 8616), (2592, 7898), (2872, 7128), (3168, 6462), (3231, 6336), (3564, 5744), (3949, 5184), (4308, 4752)]