About the Number
20798907840
2進数表記:10011010111101101100010010111000000
漢数字表記:二百七億九千八百九十万七千八百四十
素因数分解:
素因数の和:474
約数の個数: 560
約数和(自身を含む): 78666746400
約数和(自身を除く): 57867838560
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 157, 160, 162, 171, 180, 190, 192, 216, 228, 240, 269, 270, 285, 288, 304, 314, 320, 324, 342, 360, 380, 405, 432, 456, 471, 480, 513, 538, 540, 570, 576, 608, 628, 648, 684, 720, 760, 785, 807, 810, 855, 864, 912, 942, 960, 1026, 1076, 1080, 1140, 1216, 1256, 1296, 1345, 1368, 1413, 1440, 1520, 1539, 1570, 1614, 1620, 1710, 1728, 1824, 1884, 2052, 2152, 2160, 2280, 2355, 2421, 2512, 2565, 2592, 2690, 2736, 2826, 2880, 2983, 3040, 3078, 3140, 3228, 3240, 3420, 3648, 3768, 4035, 4104, 4239, 4304, 4320, 4560, 4710, 4842, 5024, 5111, 5130, 5184, 5380, 5472, 5652, 5966, 6080, 6156, 6280, 6456, 6480, 6840, 7065, 7263, 7536, 7695, 8070, 8208, 8478, 8608, 8640, 8949, 9120, 9420, 9684, 10048, 10222, 10260, 10760, 10944, 11304, 11932, 12105, 12312, 12560, 12717, 12912, 12960, 13680, 14130, 14526, 14915, 15072, 15333, 15390, 16140, 16416, 16956, 17216, 17898, 18240, 18840, 19368, 20444, 20520, 21195, 21520, 21789, 22608, 23864, 24210, 24624, 25120, 25434, 25555, 25824, 25920, 26847, 27360, 28260, 29052, 29830, 30144, 30666, 30780, 32280, 32832, 33912, 35796, 36315, 37680, 38736, 40888, 41040, 42233, 42390, 43040, 43578, 44745, 45216, 45999, 47728, 48420, 49248, 50240, 50868, 51110, 51648, 53694, 54720, 56520, 58104, 59660, 61332, 61560, 63585, 64560, 67824, 71592, 72630, 75360, 76665, 77472, 80541, 81776, 82080, 84466, 84780, 86080, 87156, 89490, 90432, 91998, 95456, 96840, 98496, 101736, 102220, 107388, 108945, 113040, 116208, 119320, 122664, 123120, 126699, 127170, 129120, 134235, 135648, 137997, 143184, 145260, 150720, 153330, 154944, 161082, 163552, 164160, 168932, 169560, 174312, 178980, 183996, 190912, 193680, 203472, 204440, 211165, 214776, 217890, 226080, 229995, 232416, 238640, 241623, 245328, 246240, 253398, 254340, 258240, 268470, 271296, 275994, 286368, 290520, 306660, 322164, 327104, 337864, 339120, 348624, 357960, 367992, 380097, 387360, 402705, 406944, 408880, 413991, 422330, 429552, 435780, 452160, 459990, 464832, 477280, 483246, 490656, 492480, 506796, 508680, 536940, 551988, 572736, 581040, 613320, 633495, 644328, 675728, 678240, 689985, 697248, 715920, 735984, 760194, 774720, 802427, 805410, 813888, 817760, 827982, 844660, 859104, 871560, 919980, 954560, 966492, 981312, 1013592, 1017360, 1073880, 1103976, 1140291, 1162080, 1208115, 1226640, 1266990, 1288656, 1351456, 1356480, 1379970, 1394496, 1431840, 1471968, 1520388, 1604854, 1610820, 1635520, 1655964, 1689320, 1718208, 1743120, 1839960, 1900485, 1932984, 2027184, 2034720, 2069955, 2147760, 2207952, 2280582, 2324160, 2407281, 2416230, 2453280, 2533980, 2577312, 2702912, 2759940, 2863680, 2943936, 3040776, 3209708, 3221640, 3311928, 3378640, 3420873, 3486240, 3679920, 3800970, 3865968, 4012135, 4054368, 4069440, 4139910, 4295520, 4415904, 4561164, 4814562, 4832460, 4906560, 5067960, 5154624, 5519880, 5701455, 6081552, 6419416, 6443280, 6623856, 6757280, 6841746, 6972480, 7221843, 7359840, 7601940, 7731936, 8024270, 8108736, 8279820, 8591040, 8831808, 9122328, 9629124, 9664920, 10135920, 11039760, 11402910, 12036405, 12163104, 12838832, 12886560, 13247712, 13514560, 13683492, 14443686, 14719680, 15203880, 15463872, 16048540, 16559640, 17104365, 18244656, 19258248, 19329840, 20271840, 21665529, 22079520, 22805820, 24072810, 24326208, 25677664, 25773120, 26495424, 27366984, 28887372, 30407760, 32097080, 33119280, 34208730, 36109215, 36489312, 38516496, 38659680, 40543680, 43331058, 44159040, 45611640, 48145620, 51355328, 54733968, 57774744, 60815520, 64194160, 64996587, 66238560, 68417460, 72218430, 72978624, 77032992, 77319360, 86662116, 91223280, 96291240, 108327645, 109467936, 115549488, 121631040, 128388320, 129993174, 132477120, 136834920, 144436860, 154065984, 173324232, 182446560, 192582480, 216655290, 218935872, 231098976, 256776640, 259986348, 273669840, 288873720, 324982935, 346648464, 364893120, 385164960, 433310580, 462197952, 519972696, 547339680, 577747440, 649965870, 693296928, 770329920, 866621160, 1039945392, 1094679360, 1155494880, 1299931740, 1386593856, 1733242320, 2079890784, 2310989760, 2599863480, 3466484640, 4159781568, 5199726960, 6932969280, 10399453920, 20798907840]
約数ペア:
[(1, 20798907840), (2, 10399453920), (3, 6932969280), (4, 5199726960), (5, 4159781568), (6, 3466484640), (8, 2599863480), (9, 2310989760), (10, 2079890784), (12, 1733242320), (15, 1386593856), (16, 1299931740), (18, 1155494880), (19, 1094679360), (20, 1039945392), (24, 866621160), (27, 770329920), (30, 693296928), (32, 649965870), (36, 577747440), (38, 547339680), (40, 519972696), (45, 462197952), (48, 433310580), (54, 385164960), (57, 364893120), (60, 346648464), (64, 324982935), (72, 288873720), (76, 273669840), (80, 259986348), (81, 256776640), (90, 231098976), (95, 218935872), (96, 216655290), (108, 192582480), (114, 182446560), (120, 173324232), (135, 154065984), (144, 144436860), (152, 136834920), (157, 132477120), (160, 129993174), (162, 128388320), (171, 121631040), (180, 115549488), (190, 109467936), (192, 108327645), (216, 96291240), (228, 91223280), (240, 86662116), (269, 77319360), (270, 77032992), (285, 72978624), (288, 72218430), (304, 68417460), (314, 66238560), (320, 64996587), (324, 64194160), (342, 60815520), (360, 57774744), (380, 54733968), (405, 51355328), (432, 48145620), (456, 45611640), (471, 44159040), (480, 43331058), (513, 40543680), (538, 38659680), (540, 38516496), (570, 36489312), (576, 36109215), (608, 34208730), (628, 33119280), (648, 32097080), (684, 30407760), (720, 28887372), (760, 27366984), (785, 26495424), (807, 25773120), (810, 25677664), (855, 24326208), (864, 24072810), (912, 22805820), (942, 22079520), (960, 21665529), (1026, 20271840), (1076, 19329840), (1080, 19258248), (1140, 18244656), (1216, 17104365), (1256, 16559640), (1296, 16048540), (1345, 15463872), (1368, 15203880), (1413, 14719680), (1440, 14443686), (1520, 13683492), (1539, 13514560), (1570, 13247712), (1614, 12886560), (1620, 12838832), (1710, 12163104), (1728, 12036405), (1824, 11402910), (1884, 11039760), (2052, 10135920), (2152, 9664920), (2160, 9629124), (2280, 9122328), (2355, 8831808), (2421, 8591040), (2512, 8279820), (2565, 8108736), (2592, 8024270), (2690, 7731936), (2736, 7601940), (2826, 7359840), (2880, 7221843), (2983, 6972480), (3040, 6841746), (3078, 6757280), (3140, 6623856), (3228, 6443280), (3240, 6419416), (3420, 6081552), (3648, 5701455), (3768, 5519880), (4035, 5154624), (4104, 5067960), (4239, 4906560), (4304, 4832460), (4320, 4814562), (4560, 4561164), (4710, 4415904), (4842, 4295520), (5024, 4139910), (5111, 4069440), (5130, 4054368), (5184, 4012135), (5380, 3865968), (5472, 3800970), (5652, 3679920), (5966, 3486240), (6080, 3420873), (6156, 3378640), (6280, 3311928), (6456, 3221640), (6480, 3209708), (6840, 3040776), (7065, 2943936), (7263, 2863680), (7536, 2759940), (7695, 2702912), (8070, 2577312), (8208, 2533980), (8478, 2453280), (8608, 2416230), (8640, 2407281), (8949, 2324160), (9120, 2280582), (9420, 2207952), (9684, 2147760), (10048, 2069955), (10222, 2034720), (10260, 2027184), (10760, 1932984), (10944, 1900485), (11304, 1839960), (11932, 1743120), (12105, 1718208), (12312, 1689320), (12560, 1655964), (12717, 1635520), (12912, 1610820), (12960, 1604854), (13680, 1520388), (14130, 1471968), (14526, 1431840), (14915, 1394496), (15072, 1379970), (15333, 1356480), (15390, 1351456), (16140, 1288656), (16416, 1266990), (16956, 1226640), (17216, 1208115), (17898, 1162080), (18240, 1140291), (18840, 1103976), (19368, 1073880), (20444, 1017360), (20520, 1013592), (21195, 981312), (21520, 966492), (21789, 954560), (22608, 919980), (23864, 871560), (24210, 859104), (24624, 844660), (25120, 827982), (25434, 817760), (25555, 813888), (25824, 805410), (25920, 802427), (26847, 774720), (27360, 760194), (28260, 735984), (29052, 715920), (29830, 697248), (30144, 689985), (30666, 678240), (30780, 675728), (32280, 644328), (32832, 633495), (33912, 613320), (35796, 581040), (36315, 572736), (37680, 551988), (38736, 536940), (40888, 508680), (41040, 506796), (42233, 492480), (42390, 490656), (43040, 483246), (43578, 477280), (44745, 464832), (45216, 459990), (45999, 452160), (47728, 435780), (48420, 429552), (49248, 422330), (50240, 413991), (50868, 408880), (51110, 406944), (51648, 402705), (53694, 387360), (54720, 380097), (56520, 367992), (58104, 357960), (59660, 348624), (61332, 339120), (61560, 337864), (63585, 327104), (64560, 322164), (67824, 306660), (71592, 290520), (72630, 286368), (75360, 275994), (76665, 271296), (77472, 268470), (80541, 258240), (81776, 254340), (82080, 253398), (84466, 246240), (84780, 245328), (86080, 241623), (87156, 238640), (89490, 232416), (90432, 229995), (91998, 226080), (95456, 217890), (96840, 214776), (98496, 211165), (101736, 204440), (102220, 203472), (107388, 193680), (108945, 190912), (113040, 183996), (116208, 178980), (119320, 174312), (122664, 169560), (123120, 168932), (126699, 164160), (127170, 163552), (129120, 161082), (134235, 154944), (135648, 153330), (137997, 150720), (143184, 145260)]このpageの処理時間: 0.23836302757263184 seconds