20128768416

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{2687}}^1$

素因数の和:2796

約数の個数: 216

約数和(自身を含む): 61949422080

約数和(自身を除く): 41820653664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 37, 38, 48, 57, 72, 74, 76, 96, 111, 114, 144, 148, 152, 171, 222, 228, 288, 296, 304, 333, 342, 444, 456, 592, 608, 666, 684, 703, 888, 912, 1184, 1332, 1368, 1369, 1406, 1776, 1824, 2109, 2664, 2687, 2736, 2738, 2812, 3552, 4107, 4218, 5328, 5374, 5472, 5476, 5624, 6327, 8061, 8214, 8436, 10656, 10748, 10952, 11248, 12321, 12654, 16122, 16428, 16872, 21496, 21904, 22496, 24183, 24642, 25308, 26011, 32244, 32856, 33744, 42992, 43808, 48366, 49284, 50616, 51053, 52022, 64488, 65712, 67488, 78033, 85984, 96732, 98568, 99419, 101232, 102106, 104044, 128976, 131424, 153159, 156066, 193464, 197136, 198838, 202464, 204212, 208088, 234099, 257952, 298257, 306318, 312132, 386928, 394272, 397676, 408424, 416176, 459477, 468198, 596514, 612636, 624264, 773856, 795352, 816848, 832352, 894771, 918954, 936396, 1193028, 1225272, 1248528, 1590704, 1633696, 1789542, 1837908, 1872792, 1888961, 2386056, 2450544, 2497056, 3181408, 3579084, 3675816, 3678503, 3745584, 3777922, 4772112, 4901088, 5666883, 7158168, 7351632, 7357006, 7491168, 7555844, 9544224, 11035509, 11333766, 14316336, 14703264, 14714012, 15111688, 17000649, 22071018, 22667532, 28632672, 29428024, 30223376, 33106527, 34001298, 44142036, 45335064, 58856048, 60446752, 66213054, 68002596, 69891557, 88284072, 90670128, 117712096, 132426108, 136005192, 139783114, 176568144, 181340256, 209674671, 264852216, 272010384, 279566228, 353136288, 419349342, 529704432, 544020768, 559132456, 629024013, 838698684, 1059408864, 1118264912, 1258048026, 1677397368, 2236529824, 2516096052, 3354794736, 5032192104, 6709589472, 10064384208, 20128768416]

約数ペア:

[(1, 20128768416), (2, 10064384208), (3, 6709589472), (4, 5032192104), (6, 3354794736), (8, 2516096052), (9, 2236529824), (12, 1677397368), (16, 1258048026), (18, 1118264912), (19, 1059408864), (24, 838698684), (32, 629024013), (36, 559132456), (37, 544020768), (38, 529704432), (48, 419349342), (57, 353136288), (72, 279566228), (74, 272010384), (76, 264852216), (96, 209674671), (111, 181340256), (114, 176568144), (144, 139783114), (148, 136005192), (152, 132426108), (171, 117712096), (222, 90670128), (228, 88284072), (288, 69891557), (296, 68002596), (304, 66213054), (333, 60446752), (342, 58856048), (444, 45335064), (456, 44142036), (592, 34001298), (608, 33106527), (666, 30223376), (684, 29428024), (703, 28632672), (888, 22667532), (912, 22071018), (1184, 17000649), (1332, 15111688), (1368, 14714012), (1369, 14703264), (1406, 14316336), (1776, 11333766), (1824, 11035509), (2109, 9544224), (2664, 7555844), (2687, 7491168), (2736, 7357006), (2738, 7351632), (2812, 7158168), (3552, 5666883), (4107, 4901088), (4218, 4772112), (5328, 3777922), (5374, 3745584), (5472, 3678503), (5476, 3675816), (5624, 3579084), (6327, 3181408), (8061, 2497056), (8214, 2450544), (8436, 2386056), (10656, 1888961), (10748, 1872792), (10952, 1837908), (11248, 1789542), (12321, 1633696), (12654, 1590704), (16122, 1248528), (16428, 1225272), (16872, 1193028), (21496, 936396), (21904, 918954), (22496, 894771), (24183, 832352), (24642, 816848), (25308, 795352), (26011, 773856), (32244, 624264), (32856, 612636), (33744, 596514), (42992, 468198), (43808, 459477), (48366, 416176), (49284, 408424), (50616, 397676), (51053, 394272), (52022, 386928), (64488, 312132), (65712, 306318), (67488, 298257), (78033, 257952), (85984, 234099), (96732, 208088), (98568, 204212), (99419, 202464), (101232, 198838), (102106, 197136), (104044, 193464), (128976, 156066), (131424, 153159)]