20688357888

素因数分解:

$2^9\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6691}}^1$

素因数の和:6787

約数の個数: 240

約数和(自身を含む): 66213699552

約数和(自身を除く): 45525341664

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 61, 64, 66, 72, 88, 96, 99, 122, 128, 132, 144, 176, 183, 192, 198, 244, 256, 264, 288, 352, 366, 384, 396, 488, 512, 528, 549, 576, 671, 704, 732, 768, 792, 976, 1056, 1098, 1152, 1342, 1408, 1464, 1536, 1584, 1952, 2013, 2112, 2196, 2304, 2684, 2816, 2928, 3168, 3904, 4026, 4224, 4392, 4608, 5368, 5632, 5856, 6039, 6336, 6691, 7808, 8052, 8448, 8784, 10736, 11712, 12078, 12672, 13382, 15616, 16104, 16896, 17568, 20073, 21472, 23424, 24156, 25344, 26764, 31232, 32208, 35136, 40146, 42944, 46848, 48312, 50688, 53528, 60219, 64416, 70272, 73601, 80292, 85888, 93696, 96624, 107056, 120438, 128832, 140544, 147202, 160584, 171776, 193248, 214112, 220803, 240876, 257664, 281088, 294404, 321168, 343552, 386496, 408151, 428224, 441606, 481752, 515328, 588808, 642336, 662409, 772992, 816302, 856448, 883212, 963504, 1030656, 1177616, 1224453, 1284672, 1324818, 1545984, 1632604, 1712896, 1766424, 1927008, 2355232, 2448906, 2569344, 2649636, 3091968, 3265208, 3425792, 3532848, 3673359, 3854016, 4489661, 4710464, 4897812, 5138688, 5299272, 6530416, 7065696, 7346718, 7708032, 8979322, 9420928, 9795624, 10277376, 10598544, 13060832, 13468983, 14131392, 14693436, 15416064, 17958644, 18841856, 19591248, 21197088, 26121664, 26937966, 28262784, 29386872, 30832128, 35917288, 37683712, 39182496, 40406949, 42394176, 52243328, 53875932, 56525568, 58773744, 71834576, 78364992, 80813898, 84788352, 104486656, 107751864, 113051136, 117547488, 143669152, 156729984, 161627796, 169576704, 208973312, 215503728, 235094976, 287338304, 313459968, 323255592, 339153408, 431007456, 470189952, 574676608, 626919936, 646511184, 862014912, 940379904, 1149353216, 1293022368, 1724029824, 1880759808, 2298706432, 2586044736, 3448059648, 5172089472, 6896119296, 10344178944, 20688357888]

約数ペア:

[(1, 20688357888), (2, 10344178944), (3, 6896119296), (4, 5172089472), (6, 3448059648), (8, 2586044736), (9, 2298706432), (11, 1880759808), (12, 1724029824), (16, 1293022368), (18, 1149353216), (22, 940379904), (24, 862014912), (32, 646511184), (33, 626919936), (36, 574676608), (44, 470189952), (48, 431007456), (61, 339153408), (64, 323255592), (66, 313459968), (72, 287338304), (88, 235094976), (96, 215503728), (99, 208973312), (122, 169576704), (128, 161627796), (132, 156729984), (144, 143669152), (176, 117547488), (183, 113051136), (192, 107751864), (198, 104486656), (244, 84788352), (256, 80813898), (264, 78364992), (288, 71834576), (352, 58773744), (366, 56525568), (384, 53875932), (396, 52243328), (488, 42394176), (512, 40406949), (528, 39182496), (549, 37683712), (576, 35917288), (671, 30832128), (704, 29386872), (732, 28262784), (768, 26937966), (792, 26121664), (976, 21197088), (1056, 19591248), (1098, 18841856), (1152, 17958644), (1342, 15416064), (1408, 14693436), (1464, 14131392), (1536, 13468983), (1584, 13060832), (1952, 10598544), (2013, 10277376), (2112, 9795624), (2196, 9420928), (2304, 8979322), (2684, 7708032), (2816, 7346718), (2928, 7065696), (3168, 6530416), (3904, 5299272), (4026, 5138688), (4224, 4897812), (4392, 4710464), (4608, 4489661), (5368, 3854016), (5632, 3673359), (5856, 3532848), (6039, 3425792), (6336, 3265208), (6691, 3091968), (7808, 2649636), (8052, 2569344), (8448, 2448906), (8784, 2355232), (10736, 1927008), (11712, 1766424), (12078, 1712896), (12672, 1632604), (13382, 1545984), (15616, 1324818), (16104, 1284672), (16896, 1224453), (17568, 1177616), (20073, 1030656), (21472, 963504), (23424, 883212), (24156, 856448), (25344, 816302), (26764, 772992), (31232, 662409), (32208, 642336), (35136, 588808), (40146, 515328), (42944, 481752), (46848, 441606), (48312, 428224), (50688, 408151), (53528, 386496), (60219, 343552), (64416, 321168), (70272, 294404), (73601, 281088), (80292, 257664), (85888, 240876), (93696, 220803), (96624, 214112), (107056, 193248), (120438, 171776), (128832, 160584), (140544, 147202)]