20346891488

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 288

約数和(自身を含む): 53127954432

約数和(自身を除く): 32781062944

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 77, 88, 92, 112, 121, 127, 154, 161, 176, 184, 224, 242, 253, 254, 257, 308, 322, 352, 368, 484, 506, 508, 514, 616, 644, 736, 847, 889, 968, 1012, 1016, 1028, 1232, 1288, 1397, 1694, 1771, 1778, 1799, 1936, 2024, 2032, 2056, 2464, 2576, 2783, 2794, 2827, 2921, 3388, 3542, 3556, 3598, 3872, 4048, 4064, 4112, 5152, 5566, 5588, 5654, 5842, 5911, 6776, 7084, 7112, 7196, 8096, 8224, 9779, 11132, 11176, 11308, 11684, 11822, 13552, 14168, 14224, 14392, 15367, 19481, 19558, 19789, 20447, 22264, 22352, 22616, 23368, 23644, 27104, 28336, 28448, 28784, 30734, 31097, 32131, 32639, 38962, 39116, 39578, 40894, 41377, 44528, 44704, 45232, 46736, 47288, 56672, 57568, 61468, 62194, 64262, 65021, 65278, 77924, 78232, 79156, 81788, 82754, 89056, 90464, 93472, 94576, 107569, 122936, 124388, 128524, 130042, 130556, 155848, 156464, 158312, 163576, 165508, 189152, 215138, 217679, 224917, 228473, 245872, 248776, 257048, 260084, 261112, 311696, 312928, 316624, 327152, 331016, 353441, 359029, 430276, 435358, 449834, 455147, 456946, 491744, 497552, 514096, 520168, 522224, 623392, 633248, 654304, 662032, 706882, 715231, 718058, 750697, 860552, 870716, 899668, 910294, 913892, 995104, 1028192, 1040336, 1044448, 1324064, 1413764, 1430462, 1436116, 1501394, 1721104, 1741432, 1799336, 1820588, 1827784, 2080672, 2474087, 2513203, 2827528, 2860924, 2872232, 3002788, 3442208, 3482864, 3598672, 3641176, 3655568, 3949319, 4948174, 5006617, 5026406, 5254879, 5655056, 5721848, 5744464, 6005576, 6965728, 7197344, 7282352, 7311136, 7898638, 8257667, 9896348, 10013234, 10052812, 10509758, 11310112, 11443696, 11488928, 12011152, 14564704, 15797276, 16515334, 19792696, 20026468, 20105624, 21019516, 22887392, 24022304, 27645233, 31594552, 33030668, 39585392, 40052936, 40211248, 42039032, 55290466, 57803669, 63189104, 66061336, 79170784, 80105872, 80422496, 84078064, 90834337, 110580932, 115607338, 126378208, 132122672, 160211744, 168156128, 181668674, 221161864, 231214676, 264245344, 363337348, 442323728, 462429352, 635840359, 726674696, 884647456, 924858704, 1271680718, 1453349392, 1849717408, 2543361436, 2906698784, 5086722872, 10173445744, 20346891488]

約数ペア:

[(1, 20346891488), (2, 10173445744), (4, 5086722872), (7, 2906698784), (8, 2543361436), (11, 1849717408), (14, 1453349392), (16, 1271680718), (22, 924858704), (23, 884647456), (28, 726674696), (32, 635840359), (44, 462429352), (46, 442323728), (56, 363337348), (77, 264245344), (88, 231214676), (92, 221161864), (112, 181668674), (121, 168156128), (127, 160211744), (154, 132122672), (161, 126378208), (176, 115607338), (184, 110580932), (224, 90834337), (242, 84078064), (253, 80422496), (254, 80105872), (257, 79170784), (308, 66061336), (322, 63189104), (352, 57803669), (368, 55290466), (484, 42039032), (506, 40211248), (508, 40052936), (514, 39585392), (616, 33030668), (644, 31594552), (736, 27645233), (847, 24022304), (889, 22887392), (968, 21019516), (1012, 20105624), (1016, 20026468), (1028, 19792696), (1232, 16515334), (1288, 15797276), (1397, 14564704), (1694, 12011152), (1771, 11488928), (1778, 11443696), (1799, 11310112), (1936, 10509758), (2024, 10052812), (2032, 10013234), (2056, 9896348), (2464, 8257667), (2576, 7898638), (2783, 7311136), (2794, 7282352), (2827, 7197344), (2921, 6965728), (3388, 6005576), (3542, 5744464), (3556, 5721848), (3598, 5655056), (3872, 5254879), (4048, 5026406), (4064, 5006617), (4112, 4948174), (5152, 3949319), (5566, 3655568), (5588, 3641176), (5654, 3598672), (5842, 3482864), (5911, 3442208), (6776, 3002788), (7084, 2872232), (7112, 2860924), (7196, 2827528), (8096, 2513203), (8224, 2474087), (9779, 2080672), (11132, 1827784), (11176, 1820588), (11308, 1799336), (11684, 1741432), (11822, 1721104), (13552, 1501394), (14168, 1436116), (14224, 1430462), (14392, 1413764), (15367, 1324064), (19481, 1044448), (19558, 1040336), (19789, 1028192), (20447, 995104), (22264, 913892), (22352, 910294), (22616, 899668), (23368, 870716), (23644, 860552), (27104, 750697), (28336, 718058), (28448, 715231), (28784, 706882), (30734, 662032), (31097, 654304), (32131, 633248), (32639, 623392), (38962, 522224), (39116, 520168), (39578, 514096), (40894, 497552), (41377, 491744), (44528, 456946), (44704, 455147), (45232, 449834), (46736, 435358), (47288, 430276), (56672, 359029), (57568, 353441), (61468, 331016), (62194, 327152), (64262, 316624), (65021, 312928), (65278, 311696), (77924, 261112), (78232, 260084), (79156, 257048), (81788, 248776), (82754, 245872), (89056, 228473), (90464, 224917), (93472, 217679), (94576, 215138), (107569, 189152), (122936, 165508), (124388, 163576), (128524, 158312), (130042, 156464), (130556, 155848)]