20402793072

素因数分解:

$2^4\times 3^2\times {\mathrm{83}}^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:468

約数の個数: 180

約数和(自身を含む): 58607841864

約数和(自身を除く): 38205048792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 83, 131, 144, 157, 166, 249, 262, 314, 332, 393, 471, 498, 524, 628, 664, 747, 786, 942, 996, 1048, 1179, 1256, 1328, 1413, 1494, 1572, 1884, 1992, 2096, 2358, 2512, 2826, 2988, 3144, 3768, 3984, 4716, 5652, 5976, 6288, 6889, 7536, 9432, 10873, 11304, 11952, 13031, 13778, 18864, 20567, 20667, 21746, 22608, 26062, 27556, 32619, 39093, 41134, 41334, 43492, 52124, 55112, 61701, 62001, 65238, 78186, 82268, 82668, 86984, 97857, 104248, 110224, 117279, 123402, 124002, 130476, 156372, 164536, 165336, 173968, 185103, 195714, 208496, 234558, 246804, 248004, 260952, 312744, 329072, 330672, 370206, 391428, 469116, 493608, 496008, 521904, 625488, 740412, 782856, 902459, 938232, 987216, 992016, 1081573, 1480824, 1565712, 1707061, 1804918, 1876464, 2163146, 2707377, 2961648, 3244719, 3414122, 3609836, 4326292, 5121183, 5414754, 6489438, 6828244, 7219672, 8122131, 8652584, 9734157, 10242366, 10829508, 12978876, 13656488, 14439344, 15363549, 16244262, 17305168, 19468314, 20484732, 21659016, 25957752, 27312976, 30727098, 32488524, 38936628, 40969464, 43318032, 51915504, 61454196, 64977048, 77873256, 81938928, 122908392, 129954096, 141686063, 155746512, 245816784, 283372126, 425058189, 566744252, 850116378, 1133488504, 1275174567, 1700232756, 2266977008, 2550349134, 3400465512, 5100698268, 6800931024, 10201396536, 20402793072]

約数ペア:

[(1, 20402793072), (2, 10201396536), (3, 6800931024), (4, 5100698268), (6, 3400465512), (8, 2550349134), (9, 2266977008), (12, 1700232756), (16, 1275174567), (18, 1133488504), (24, 850116378), (36, 566744252), (48, 425058189), (72, 283372126), (83, 245816784), (131, 155746512), (144, 141686063), (157, 129954096), (166, 122908392), (249, 81938928), (262, 77873256), (314, 64977048), (332, 61454196), (393, 51915504), (471, 43318032), (498, 40969464), (524, 38936628), (628, 32488524), (664, 30727098), (747, 27312976), (786, 25957752), (942, 21659016), (996, 20484732), (1048, 19468314), (1179, 17305168), (1256, 16244262), (1328, 15363549), (1413, 14439344), (1494, 13656488), (1572, 12978876), (1884, 10829508), (1992, 10242366), (2096, 9734157), (2358, 8652584), (2512, 8122131), (2826, 7219672), (2988, 6828244), (3144, 6489438), (3768, 5414754), (3984, 5121183), (4716, 4326292), (5652, 3609836), (5976, 3414122), (6288, 3244719), (6889, 2961648), (7536, 2707377), (9432, 2163146), (10873, 1876464), (11304, 1804918), (11952, 1707061), (13031, 1565712), (13778, 1480824), (18864, 1081573), (20567, 992016), (20667, 987216), (21746, 938232), (22608, 902459), (26062, 782856), (27556, 740412), (32619, 625488), (39093, 521904), (41134, 496008), (41334, 493608), (43492, 469116), (52124, 391428), (55112, 370206), (61701, 330672), (62001, 329072), (65238, 312744), (78186, 260952), (82268, 248004), (82668, 246804), (86984, 234558), (97857, 208496), (104248, 195714), (110224, 185103), (117279, 173968), (123402, 165336), (124002, 164536), (130476, 156372)]