20997688448

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:995

約数の個数: 256

約数和(自身を含む): 51650058240

約数和(自身を除く): 30652369792

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 23, 32, 34, 43, 44, 46, 64, 68, 86, 88, 92, 128, 136, 172, 176, 184, 187, 253, 272, 344, 352, 368, 374, 391, 473, 506, 544, 688, 704, 731, 736, 748, 782, 887, 946, 989, 1012, 1088, 1376, 1408, 1462, 1472, 1496, 1564, 1774, 1892, 1978, 2024, 2176, 2752, 2924, 2944, 2992, 3128, 3548, 3784, 3956, 4048, 4301, 5504, 5848, 5984, 6256, 7096, 7568, 7912, 8041, 8096, 8602, 9757, 10879, 11696, 11968, 12512, 14192, 15079, 15136, 15824, 16082, 16192, 16813, 17204, 19514, 20401, 21758, 23392, 23936, 25024, 28384, 30158, 30272, 31648, 32164, 32384, 33626, 34408, 38141, 39028, 40802, 43516, 46784, 50048, 56768, 60316, 60544, 63296, 64328, 67252, 68816, 76282, 78056, 81604, 87032, 93568, 113536, 120632, 126592, 128656, 134504, 137632, 152564, 156112, 163208, 165869, 174064, 184943, 224411, 241264, 257312, 269008, 275264, 305128, 312224, 326416, 331738, 346817, 348128, 369886, 419551, 448822, 482528, 514624, 538016, 550528, 610256, 624448, 648397, 652832, 663476, 693634, 696256, 739772, 839102, 877243, 897644, 965056, 1029248, 1076032, 1220512, 1248896, 1296794, 1305664, 1326952, 1387268, 1392512, 1479544, 1678204, 1754486, 1795288, 1930112, 2152064, 2441024, 2593588, 2611328, 2653904, 2774536, 2959088, 3356408, 3508972, 3590576, 3814987, 4882048, 5187176, 5307808, 5549072, 5918176, 6712816, 7017944, 7132367, 7181152, 7629974, 9649673, 10374352, 10615616, 11098144, 11836352, 13425632, 14035888, 14264734, 14362304, 14913131, 15259948, 19299346, 20748704, 21231232, 22196288, 23672704, 26851264, 28071776, 28529468, 28724608, 29826262, 30519896, 38598692, 41497408, 44392576, 53702528, 56143552, 57058936, 59652524, 61039792, 77197384, 82994816, 112287104, 114117872, 119305048, 122079584, 154394768, 164044441, 228235744, 238610096, 244159168, 308789536, 328088882, 456471488, 477220192, 488318336, 617579072, 656177764, 912942976, 954440384, 1235158144, 1312355528, 1908880768, 2624711056, 5249422112, 10498844224, 20997688448]

約数ペア:

[(1, 20997688448), (2, 10498844224), (4, 5249422112), (8, 2624711056), (11, 1908880768), (16, 1312355528), (17, 1235158144), (22, 954440384), (23, 912942976), (32, 656177764), (34, 617579072), (43, 488318336), (44, 477220192), (46, 456471488), (64, 328088882), (68, 308789536), (86, 244159168), (88, 238610096), (92, 228235744), (128, 164044441), (136, 154394768), (172, 122079584), (176, 119305048), (184, 114117872), (187, 112287104), (253, 82994816), (272, 77197384), (344, 61039792), (352, 59652524), (368, 57058936), (374, 56143552), (391, 53702528), (473, 44392576), (506, 41497408), (544, 38598692), (688, 30519896), (704, 29826262), (731, 28724608), (736, 28529468), (748, 28071776), (782, 26851264), (887, 23672704), (946, 22196288), (989, 21231232), (1012, 20748704), (1088, 19299346), (1376, 15259948), (1408, 14913131), (1462, 14362304), (1472, 14264734), (1496, 14035888), (1564, 13425632), (1774, 11836352), (1892, 11098144), (1978, 10615616), (2024, 10374352), (2176, 9649673), (2752, 7629974), (2924, 7181152), (2944, 7132367), (2992, 7017944), (3128, 6712816), (3548, 5918176), (3784, 5549072), (3956, 5307808), (4048, 5187176), (4301, 4882048), (5504, 3814987), (5848, 3590576), (5984, 3508972), (6256, 3356408), (7096, 2959088), (7568, 2774536), (7912, 2653904), (8041, 2611328), (8096, 2593588), (8602, 2441024), (9757, 2152064), (10879, 1930112), (11696, 1795288), (11968, 1754486), (12512, 1678204), (14192, 1479544), (15079, 1392512), (15136, 1387268), (15824, 1326952), (16082, 1305664), (16192, 1296794), (16813, 1248896), (17204, 1220512), (19514, 1076032), (20401, 1029248), (21758, 965056), (23392, 897644), (23936, 877243), (25024, 839102), (28384, 739772), (30158, 696256), (30272, 693634), (31648, 663476), (32164, 652832), (32384, 648397), (33626, 624448), (34408, 610256), (38141, 550528), (39028, 538016), (40802, 514624), (43516, 482528), (46784, 448822), (50048, 419551), (56768, 369886), (60316, 348128), (60544, 346817), (63296, 331738), (64328, 326416), (67252, 312224), (68816, 305128), (76282, 275264), (78056, 269008), (81604, 257312), (87032, 241264), (93568, 224411), (113536, 184943), (120632, 174064), (126592, 165869), (128656, 163208), (134504, 156112), (137632, 152564)]