20416507488

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{2141}}^1$

素因数の和:2459

約数の個数: 240

約数和(自身を含む): 64921980816

約数和(自身を除く): 44505473328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 283, 288, 312, 324, 351, 416, 432, 468, 566, 624, 648, 702, 849, 864, 936, 1053, 1132, 1248, 1296, 1404, 1698, 1872, 2106, 2141, 2264, 2547, 2592, 2808, 3396, 3679, 3744, 4212, 4282, 4528, 5094, 5616, 6423, 6792, 7358, 7641, 8424, 8564, 9056, 10188, 11037, 11232, 12846, 13584, 14716, 15282, 16848, 17128, 19269, 20376, 22074, 22923, 25692, 27168, 27833, 29432, 30564, 33111, 33696, 34256, 38538, 40752, 44148, 45846, 51384, 55666, 57807, 58864, 61128, 66222, 68512, 77076, 81504, 83499, 88296, 91692, 99333, 102768, 111332, 115614, 117728, 122256, 132444, 154152, 166998, 173421, 176592, 183384, 198666, 205536, 222664, 231228, 244512, 250497, 264888, 297999, 308304, 333996, 346842, 353184, 366768, 397332, 445328, 462456, 500994, 529776, 595998, 605903, 616608, 667992, 693684, 733536, 751491, 794664, 890656, 924912, 1001988, 1059552, 1191996, 1211806, 1335984, 1387368, 1502982, 1589328, 1817709, 1849824, 2003976, 2254473, 2383992, 2423612, 2671968, 2774736, 3005964, 3178656, 3635418, 4007952, 4508946, 4767984, 4847224, 5453127, 5549472, 6011928, 7270836, 7876739, 8015904, 9017892, 9535968, 9694448, 10906254, 12023856, 14541672, 15753478, 16359381, 18035784, 19388896, 21812508, 23630217, 24047712, 29083344, 31506956, 32718762, 36071568, 43625016, 47260434, 49078143, 58166688, 63013912, 65437524, 70890651, 72143136, 87250032, 94520868, 98156286, 126027824, 130875048, 141781302, 174500064, 189041736, 196312572, 212671953, 252055648, 261750096, 283562604, 378083472, 392625144, 425343906, 523500192, 567125208, 638015859, 756166944, 785250288, 850687812, 1134250416, 1276031718, 1570500576, 1701375624, 2268500832, 2552063436, 3402751248, 5104126872, 6805502496, 10208253744, 20416507488]

約数ペア:

[(1, 20416507488), (2, 10208253744), (3, 6805502496), (4, 5104126872), (6, 3402751248), (8, 2552063436), (9, 2268500832), (12, 1701375624), (13, 1570500576), (16, 1276031718), (18, 1134250416), (24, 850687812), (26, 785250288), (27, 756166944), (32, 638015859), (36, 567125208), (39, 523500192), (48, 425343906), (52, 392625144), (54, 378083472), (72, 283562604), (78, 261750096), (81, 252055648), (96, 212671953), (104, 196312572), (108, 189041736), (117, 174500064), (144, 141781302), (156, 130875048), (162, 126027824), (208, 98156286), (216, 94520868), (234, 87250032), (283, 72143136), (288, 70890651), (312, 65437524), (324, 63013912), (351, 58166688), (416, 49078143), (432, 47260434), (468, 43625016), (566, 36071568), (624, 32718762), (648, 31506956), (702, 29083344), (849, 24047712), (864, 23630217), (936, 21812508), (1053, 19388896), (1132, 18035784), (1248, 16359381), (1296, 15753478), (1404, 14541672), (1698, 12023856), (1872, 10906254), (2106, 9694448), (2141, 9535968), (2264, 9017892), (2547, 8015904), (2592, 7876739), (2808, 7270836), (3396, 6011928), (3679, 5549472), (3744, 5453127), (4212, 4847224), (4282, 4767984), (4528, 4508946), (5094, 4007952), (5616, 3635418), (6423, 3178656), (6792, 3005964), (7358, 2774736), (7641, 2671968), (8424, 2423612), (8564, 2383992), (9056, 2254473), (10188, 2003976), (11037, 1849824), (11232, 1817709), (12846, 1589328), (13584, 1502982), (14716, 1387368), (15282, 1335984), (16848, 1211806), (17128, 1191996), (19269, 1059552), (20376, 1001988), (22074, 924912), (22923, 890656), (25692, 794664), (27168, 751491), (27833, 733536), (29432, 693684), (30564, 667992), (33111, 616608), (33696, 605903), (34256, 595998), (38538, 529776), (40752, 500994), (44148, 462456), (45846, 445328), (51384, 397332), (55666, 366768), (57807, 353184), (58864, 346842), (61128, 333996), (66222, 308304), (68512, 297999), (77076, 264888), (81504, 250497), (83499, 244512), (88296, 231228), (91692, 222664), (99333, 205536), (102768, 198666), (111332, 183384), (115614, 176592), (117728, 173421), (122256, 166998), (132444, 154152)]