20870908416

素因数分解:

$2^9\times 3^9\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 400

約数和(自身を含む): 66446714400

約数和(自身を除く): 45575805984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 81, 96, 108, 109, 114, 128, 144, 152, 162, 171, 192, 216, 218, 228, 243, 256, 288, 304, 324, 327, 342, 384, 432, 436, 456, 486, 512, 513, 576, 608, 648, 654, 684, 729, 768, 864, 872, 912, 972, 981, 1026, 1152, 1216, 1296, 1308, 1368, 1458, 1536, 1539, 1728, 1744, 1824, 1944, 1962, 2052, 2071, 2187, 2304, 2432, 2592, 2616, 2736, 2916, 2943, 3078, 3456, 3488, 3648, 3888, 3924, 4104, 4142, 4374, 4608, 4617, 4864, 5184, 5232, 5472, 5832, 5886, 6156, 6213, 6561, 6912, 6976, 7296, 7776, 7848, 8208, 8284, 8748, 8829, 9234, 9728, 10368, 10464, 10944, 11664, 11772, 12312, 12426, 13122, 13824, 13851, 13952, 14592, 15552, 15696, 16416, 16568, 17496, 17658, 18468, 18639, 19683, 20736, 20928, 21888, 23328, 23544, 24624, 24852, 26244, 26487, 27702, 27904, 29184, 31104, 31392, 32832, 33136, 34992, 35316, 36936, 37278, 39366, 41472, 41553, 41856, 43776, 46656, 47088, 49248, 49704, 52488, 52974, 55404, 55808, 55917, 62208, 62784, 65664, 66272, 69984, 70632, 73872, 74556, 78732, 79461, 83106, 83712, 87552, 93312, 94176, 98496, 99408, 104976, 105948, 110808, 111834, 124416, 124659, 125568, 131328, 132544, 139968, 141264, 147744, 149112, 157464, 158922, 166212, 167424, 167751, 186624, 188352, 196992, 198816, 209952, 211896, 221616, 223668, 238383, 249318, 251136, 262656, 265088, 279936, 282528, 295488, 298224, 314928, 317844, 332424, 335502, 373248, 373977, 376704, 393984, 397632, 419904, 423792, 443232, 447336, 476766, 498636, 502272, 503253, 530176, 559872, 565056, 590976, 596448, 629856, 635688, 664848, 671004, 715149, 747954, 753408, 787968, 795264, 839808, 847584, 886464, 894672, 953532, 997272, 1006506, 1060352, 1119744, 1130112, 1181952, 1192896, 1259712, 1271376, 1329696, 1342008, 1430298, 1495908, 1506816, 1509759, 1590528, 1679616, 1695168, 1772928, 1789344, 1907064, 1994544, 2013012, 2145447, 2260224, 2363904, 2385792, 2519424, 2542752, 2659392, 2684016, 2860596, 2991816, 3019518, 3181056, 3359232, 3390336, 3545856, 3578688, 3814128, 3989088, 4026024, 4290894, 4520448, 4529277, 4771584, 5038848, 5085504, 5318784, 5368032, 5721192, 5983632, 6039036, 6780672, 7091712, 7157376, 7628256, 7978176, 8052048, 8581788, 9058554, 9543168, 10077696, 10171008, 10637568, 10736064, 11442384, 11967264, 12078072, 13561344, 13587831, 14314752, 15256512, 15956352, 16104096, 17163576, 18117108, 20342016, 21275136, 21472128, 22884768, 23934528, 24156144, 27175662, 28629504, 30513024, 31912704, 32208192, 34327152, 36234216, 40684032, 40763493, 42944256, 45769536, 47869056, 48312288, 54351324, 61026048, 63825408, 64416384, 68654304, 72468432, 81526986, 85888512, 91539072, 95738112, 96624576, 108702648, 122052096, 128832768, 137308608, 144936864, 163053972, 183078144, 191476224, 193249152, 217405296, 257665536, 274617216, 289873728, 326107944, 366156288, 386498304, 434810592, 549234432, 579747456, 652215888, 772996608, 869621184, 1098468864, 1159494912, 1304431776, 1739242368, 2318989824, 2608863552, 3478484736, 5217727104, 6956969472, 10435454208, 20870908416]

約数ペア:

[(1, 20870908416), (2, 10435454208), (3, 6956969472), (4, 5217727104), (6, 3478484736), (8, 2608863552), (9, 2318989824), (12, 1739242368), (16, 1304431776), (18, 1159494912), (19, 1098468864), (24, 869621184), (27, 772996608), (32, 652215888), (36, 579747456), (38, 549234432), (48, 434810592), (54, 386498304), (57, 366156288), (64, 326107944), (72, 289873728), (76, 274617216), (81, 257665536), (96, 217405296), (108, 193249152), (109, 191476224), (114, 183078144), (128, 163053972), (144, 144936864), (152, 137308608), (162, 128832768), (171, 122052096), (192, 108702648), (216, 96624576), (218, 95738112), (228, 91539072), (243, 85888512), (256, 81526986), (288, 72468432), (304, 68654304), (324, 64416384), (327, 63825408), (342, 61026048), (384, 54351324), (432, 48312288), (436, 47869056), (456, 45769536), (486, 42944256), (512, 40763493), (513, 40684032), (576, 36234216), (608, 34327152), (648, 32208192), (654, 31912704), (684, 30513024), (729, 28629504), (768, 27175662), (864, 24156144), (872, 23934528), (912, 22884768), (972, 21472128), (981, 21275136), (1026, 20342016), (1152, 18117108), (1216, 17163576), (1296, 16104096), (1308, 15956352), (1368, 15256512), (1458, 14314752), (1536, 13587831), (1539, 13561344), (1728, 12078072), (1744, 11967264), (1824, 11442384), (1944, 10736064), (1962, 10637568), (2052, 10171008), (2071, 10077696), (2187, 9543168), (2304, 9058554), (2432, 8581788), (2592, 8052048), (2616, 7978176), (2736, 7628256), (2916, 7157376), (2943, 7091712), (3078, 6780672), (3456, 6039036), (3488, 5983632), (3648, 5721192), (3888, 5368032), (3924, 5318784), (4104, 5085504), (4142, 5038848), (4374, 4771584), (4608, 4529277), (4617, 4520448), (4864, 4290894), (5184, 4026024), (5232, 3989088), (5472, 3814128), (5832, 3578688), (5886, 3545856), (6156, 3390336), (6213, 3359232), (6561, 3181056), (6912, 3019518), (6976, 2991816), (7296, 2860596), (7776, 2684016), (7848, 2659392), (8208, 2542752), (8284, 2519424), (8748, 2385792), (8829, 2363904), (9234, 2260224), (9728, 2145447), (10368, 2013012), (10464, 1994544), (10944, 1907064), (11664, 1789344), (11772, 1772928), (12312, 1695168), (12426, 1679616), (13122, 1590528), (13824, 1509759), (13851, 1506816), (13952, 1495908), (14592, 1430298), (15552, 1342008), (15696, 1329696), (16416, 1271376), (16568, 1259712), (17496, 1192896), (17658, 1181952), (18468, 1130112), (18639, 1119744), (19683, 1060352), (20736, 1006506), (20928, 997272), (21888, 953532), (23328, 894672), (23544, 886464), (24624, 847584), (24852, 839808), (26244, 795264), (26487, 787968), (27702, 753408), (27904, 747954), (29184, 715149), (31104, 671004), (31392, 664848), (32832, 635688), (33136, 629856), (34992, 596448), (35316, 590976), (36936, 565056), (37278, 559872), (39366, 530176), (41472, 503253), (41553, 502272), (41856, 498636), (43776, 476766), (46656, 447336), (47088, 443232), (49248, 423792), (49704, 419904), (52488, 397632), (52974, 393984), (55404, 376704), (55808, 373977), (55917, 373248), (62208, 335502), (62784, 332424), (65664, 317844), (66272, 314928), (69984, 298224), (70632, 295488), (73872, 282528), (74556, 279936), (78732, 265088), (79461, 262656), (83106, 251136), (83712, 249318), (87552, 238383), (93312, 223668), (94176, 221616), (98496, 211896), (99408, 209952), (104976, 198816), (105948, 196992), (110808, 188352), (111834, 186624), (124416, 167751), (124659, 167424), (125568, 166212), (131328, 158922), (132544, 157464), (139968, 149112), (141264, 147744)]