20785987584

素因数分解:

$2^{16}\times 3^3\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 272

約数和(自身を含む): 65304815040

約数和(自身を除く): 44518827456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 128, 136, 144, 153, 192, 204, 216, 256, 272, 288, 306, 384, 408, 432, 459, 512, 544, 576, 612, 691, 768, 816, 864, 918, 1024, 1088, 1152, 1224, 1382, 1536, 1632, 1728, 1836, 2048, 2073, 2176, 2304, 2448, 2764, 3072, 3264, 3456, 3672, 4096, 4146, 4352, 4608, 4896, 5528, 6144, 6219, 6528, 6912, 7344, 8192, 8292, 8704, 9216, 9792, 11056, 11747, 12288, 12438, 13056, 13824, 14688, 16384, 16584, 17408, 18432, 18657, 19584, 22112, 23494, 24576, 24876, 26112, 27648, 29376, 32768, 33168, 34816, 35241, 36864, 37314, 39168, 44224, 46988, 49152, 49752, 52224, 55296, 58752, 65536, 66336, 69632, 70482, 73728, 74628, 78336, 88448, 93976, 98304, 99504, 104448, 105723, 110592, 117504, 132672, 139264, 140964, 147456, 149256, 156672, 176896, 187952, 196608, 199008, 208896, 211446, 221184, 235008, 265344, 278528, 281928, 294912, 298512, 313344, 317169, 353792, 375904, 398016, 417792, 422892, 442368, 470016, 530688, 557056, 563856, 589824, 597024, 626688, 634338, 707584, 751808, 796032, 835584, 845784, 884736, 940032, 1061376, 1114112, 1127712, 1194048, 1253376, 1268676, 1415168, 1503616, 1592064, 1671168, 1691568, 1769472, 1880064, 2122752, 2255424, 2388096, 2506752, 2537352, 2830336, 3007232, 3184128, 3342336, 3383136, 3760128, 4245504, 4510848, 4776192, 5013504, 5074704, 5660672, 6014464, 6368256, 6766272, 7520256, 8491008, 9021696, 9552384, 10027008, 10149408, 11321344, 12028928, 12736512, 13532544, 15040512, 16982016, 18043392, 19104768, 20298816, 22642688, 24057856, 25473024, 27065088, 30081024, 33964032, 36086784, 38209536, 40597632, 45285376, 48115712, 50946048, 54130176, 67928064, 72173568, 76419072, 81195264, 96231424, 101892096, 108260352, 135856128, 144347136, 152838144, 162390528, 192462848, 203784192, 216520704, 288694272, 305676288, 324781056, 384925696, 407568384, 433041408, 577388544, 611352576, 649562112, 769851392, 866082816, 1154777088, 1222705152, 1299124224, 1732165632, 2309554176, 2598248448, 3464331264, 5196496896, 6928662528, 10392993792, 20785987584]

約数ペア:

[(1, 20785987584), (2, 10392993792), (3, 6928662528), (4, 5196496896), (6, 3464331264), (8, 2598248448), (9, 2309554176), (12, 1732165632), (16, 1299124224), (17, 1222705152), (18, 1154777088), (24, 866082816), (27, 769851392), (32, 649562112), (34, 611352576), (36, 577388544), (48, 433041408), (51, 407568384), (54, 384925696), (64, 324781056), (68, 305676288), (72, 288694272), (96, 216520704), (102, 203784192), (108, 192462848), (128, 162390528), (136, 152838144), (144, 144347136), (153, 135856128), (192, 108260352), (204, 101892096), (216, 96231424), (256, 81195264), (272, 76419072), (288, 72173568), (306, 67928064), (384, 54130176), (408, 50946048), (432, 48115712), (459, 45285376), (512, 40597632), (544, 38209536), (576, 36086784), (612, 33964032), (691, 30081024), (768, 27065088), (816, 25473024), (864, 24057856), (918, 22642688), (1024, 20298816), (1088, 19104768), (1152, 18043392), (1224, 16982016), (1382, 15040512), (1536, 13532544), (1632, 12736512), (1728, 12028928), (1836, 11321344), (2048, 10149408), (2073, 10027008), (2176, 9552384), (2304, 9021696), (2448, 8491008), (2764, 7520256), (3072, 6766272), (3264, 6368256), (3456, 6014464), (3672, 5660672), (4096, 5074704), (4146, 5013504), (4352, 4776192), (4608, 4510848), (4896, 4245504), (5528, 3760128), (6144, 3383136), (6219, 3342336), (6528, 3184128), (6912, 3007232), (7344, 2830336), (8192, 2537352), (8292, 2506752), (8704, 2388096), (9216, 2255424), (9792, 2122752), (11056, 1880064), (11747, 1769472), (12288, 1691568), (12438, 1671168), (13056, 1592064), (13824, 1503616), (14688, 1415168), (16384, 1268676), (16584, 1253376), (17408, 1194048), (18432, 1127712), (18657, 1114112), (19584, 1061376), (22112, 940032), (23494, 884736), (24576, 845784), (24876, 835584), (26112, 796032), (27648, 751808), (29376, 707584), (32768, 634338), (33168, 626688), (34816, 597024), (35241, 589824), (36864, 563856), (37314, 557056), (39168, 530688), (44224, 470016), (46988, 442368), (49152, 422892), (49752, 417792), (52224, 398016), (55296, 375904), (58752, 353792), (65536, 317169), (66336, 313344), (69632, 298512), (70482, 294912), (73728, 281928), (74628, 278528), (78336, 265344), (88448, 235008), (93976, 221184), (98304, 211446), (99504, 208896), (104448, 199008), (105723, 196608), (110592, 187952), (117504, 176896), (132672, 156672), (139264, 149256), (140964, 147456)]