20549795840

素因数分解:

$2^{16}\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 408

約数和(自身を含む): 61806792192

約数和(自身を除く): 41256996352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 128, 136, 140, 155, 160, 170, 217, 224, 238, 248, 256, 272, 280, 289, 310, 320, 340, 434, 448, 476, 496, 512, 527, 544, 560, 578, 595, 620, 640, 680, 868, 896, 952, 992, 1024, 1054, 1085, 1088, 1120, 1156, 1190, 1240, 1280, 1360, 1445, 1736, 1792, 1904, 1984, 2023, 2048, 2108, 2170, 2176, 2240, 2312, 2380, 2480, 2560, 2635, 2720, 2890, 3472, 3584, 3689, 3808, 3968, 4046, 4096, 4216, 4340, 4352, 4480, 4624, 4760, 4960, 5120, 5270, 5440, 5780, 6944, 7168, 7378, 7616, 7936, 8092, 8192, 8432, 8680, 8704, 8959, 8960, 9248, 9520, 9920, 10115, 10240, 10540, 10880, 11560, 13888, 14336, 14756, 15232, 15872, 16184, 16384, 16864, 17360, 17408, 17918, 17920, 18445, 18496, 19040, 19840, 20230, 20480, 21080, 21760, 23120, 27776, 28672, 29512, 30464, 31744, 32368, 32768, 33728, 34720, 34816, 35836, 35840, 36890, 36992, 38080, 39680, 40460, 40960, 42160, 43520, 44795, 46240, 55552, 57344, 59024, 60928, 62713, 63488, 64736, 65536, 67456, 69440, 69632, 71672, 71680, 73780, 73984, 76160, 79360, 80920, 81920, 84320, 87040, 89590, 92480, 111104, 114688, 118048, 121856, 125426, 126976, 129472, 134912, 138880, 139264, 143344, 143360, 147560, 147968, 152320, 158720, 161840, 163840, 168640, 174080, 179180, 184960, 222208, 229376, 236096, 243712, 250852, 253952, 258944, 269824, 277760, 278528, 286688, 286720, 295120, 295936, 304640, 313565, 317440, 323680, 327680, 337280, 348160, 358360, 369920, 444416, 458752, 472192, 487424, 501704, 507904, 517888, 539648, 555520, 557056, 573376, 573440, 590240, 591872, 609280, 627130, 634880, 647360, 674560, 696320, 716720, 739840, 888832, 944384, 974848, 1003408, 1015808, 1035776, 1079296, 1111040, 1114112, 1146752, 1146880, 1180480, 1183744, 1218560, 1254260, 1269760, 1294720, 1349120, 1392640, 1433440, 1479680, 1777664, 1888768, 1949696, 2006816, 2031616, 2071552, 2158592, 2222080, 2293504, 2293760, 2360960, 2367488, 2437120, 2508520, 2539520, 2589440, 2698240, 2785280, 2866880, 2959360, 3555328, 3777536, 3899392, 4013632, 4143104, 4317184, 4444160, 4587008, 4721920, 4734976, 4874240, 5017040, 5079040, 5178880, 5396480, 5570560, 5733760, 5918720, 7110656, 7555072, 7798784, 8027264, 8286208, 8634368, 8888320, 9174016, 9443840, 9469952, 9748480, 10034080, 10158080, 10357760, 10792960, 11467520, 11837440, 14221312, 15110144, 16054528, 16572416, 17268736, 17776640, 18348032, 18887680, 18939904, 19496960, 20068160, 20715520, 21585920, 22935040, 23674880, 30220288, 32109056, 33144832, 34537472, 35553280, 36696064, 37775360, 38993920, 40136320, 41431040, 43171840, 45870080, 47349760, 60440576, 64218112, 66289664, 71106560, 73392128, 75550720, 80272640, 82862080, 86343680, 91740160, 94699520, 120881152, 128436224, 132579328, 146784256, 151101440, 160545280, 165724160, 172687360, 183480320, 241762304, 256872448, 293568512, 302202880, 321090560, 331448320, 366960640, 513744896, 587137024, 604405760, 642181120, 662896640, 733921280, 1027489792, 1208811520, 1284362240, 1467842560, 2054979584, 2568724480, 2935685120, 4109959168, 5137448960, 10274897920, 20549795840]

約数ペア:

[(1, 20549795840), (2, 10274897920), (4, 5137448960), (5, 4109959168), (7, 2935685120), (8, 2568724480), (10, 2054979584), (14, 1467842560), (16, 1284362240), (17, 1208811520), (20, 1027489792), (28, 733921280), (31, 662896640), (32, 642181120), (34, 604405760), (35, 587137024), (40, 513744896), (56, 366960640), (62, 331448320), (64, 321090560), (68, 302202880), (70, 293568512), (80, 256872448), (85, 241762304), (112, 183480320), (119, 172687360), (124, 165724160), (128, 160545280), (136, 151101440), (140, 146784256), (155, 132579328), (160, 128436224), (170, 120881152), (217, 94699520), (224, 91740160), (238, 86343680), (248, 82862080), (256, 80272640), (272, 75550720), (280, 73392128), (289, 71106560), (310, 66289664), (320, 64218112), (340, 60440576), (434, 47349760), (448, 45870080), (476, 43171840), (496, 41431040), (512, 40136320), (527, 38993920), (544, 37775360), (560, 36696064), (578, 35553280), (595, 34537472), (620, 33144832), (640, 32109056), (680, 30220288), (868, 23674880), (896, 22935040), (952, 21585920), (992, 20715520), (1024, 20068160), (1054, 19496960), (1085, 18939904), (1088, 18887680), (1120, 18348032), (1156, 17776640), (1190, 17268736), (1240, 16572416), (1280, 16054528), (1360, 15110144), (1445, 14221312), (1736, 11837440), (1792, 11467520), (1904, 10792960), (1984, 10357760), (2023, 10158080), (2048, 10034080), (2108, 9748480), (2170, 9469952), (2176, 9443840), (2240, 9174016), (2312, 8888320), (2380, 8634368), (2480, 8286208), (2560, 8027264), (2635, 7798784), (2720, 7555072), (2890, 7110656), (3472, 5918720), (3584, 5733760), (3689, 5570560), (3808, 5396480), (3968, 5178880), (4046, 5079040), (4096, 5017040), (4216, 4874240), (4340, 4734976), (4352, 4721920), (4480, 4587008), (4624, 4444160), (4760, 4317184), (4960, 4143104), (5120, 4013632), (5270, 3899392), (5440, 3777536), (5780, 3555328), (6944, 2959360), (7168, 2866880), (7378, 2785280), (7616, 2698240), (7936, 2589440), (8092, 2539520), (8192, 2508520), (8432, 2437120), (8680, 2367488), (8704, 2360960), (8959, 2293760), (8960, 2293504), (9248, 2222080), (9520, 2158592), (9920, 2071552), (10115, 2031616), (10240, 2006816), (10540, 1949696), (10880, 1888768), (11560, 1777664), (13888, 1479680), (14336, 1433440), (14756, 1392640), (15232, 1349120), (15872, 1294720), (16184, 1269760), (16384, 1254260), (16864, 1218560), (17360, 1183744), (17408, 1180480), (17918, 1146880), (17920, 1146752), (18445, 1114112), (18496, 1111040), (19040, 1079296), (19840, 1035776), (20230, 1015808), (20480, 1003408), (21080, 974848), (21760, 944384), (23120, 888832), (27776, 739840), (28672, 716720), (29512, 696320), (30464, 674560), (31744, 647360), (32368, 634880), (32768, 627130), (33728, 609280), (34720, 591872), (34816, 590240), (35836, 573440), (35840, 573376), (36890, 557056), (36992, 555520), (38080, 539648), (39680, 517888), (40460, 507904), (40960, 501704), (42160, 487424), (43520, 472192), (44795, 458752), (46240, 444416), (55552, 369920), (57344, 358360), (59024, 348160), (60928, 337280), (62713, 327680), (63488, 323680), (64736, 317440), (65536, 313565), (67456, 304640), (69440, 295936), (69632, 295120), (71672, 286720), (71680, 286688), (73780, 278528), (73984, 277760), (76160, 269824), (79360, 258944), (80920, 253952), (81920, 250852), (84320, 243712), (87040, 236096), (89590, 229376), (92480, 222208), (111104, 184960), (114688, 179180), (118048, 174080), (121856, 168640), (125426, 163840), (126976, 161840), (129472, 158720), (134912, 152320), (138880, 147968), (139264, 147560), (143344, 143360)]