20421262368

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:281

約数の個数: 432

約数和(自身を含む): 65610155520

約数和(自身を除く): 45188893152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 47, 48, 52, 72, 78, 79, 94, 96, 104, 113, 117, 141, 144, 156, 158, 169, 188, 208, 226, 234, 237, 282, 288, 312, 316, 338, 339, 376, 416, 423, 452, 468, 474, 507, 564, 611, 624, 632, 676, 678, 711, 752, 846, 904, 936, 948, 1014, 1017, 1027, 1128, 1222, 1248, 1264, 1352, 1356, 1422, 1469, 1504, 1521, 1692, 1808, 1833, 1872, 1896, 2028, 2034, 2054, 2256, 2444, 2528, 2704, 2712, 2844, 2938, 3042, 3081, 3384, 3616, 3666, 3713, 3744, 3792, 4056, 4068, 4108, 4407, 4512, 4888, 5311, 5408, 5424, 5499, 5688, 5876, 6084, 6162, 6768, 7332, 7426, 7584, 7943, 8112, 8136, 8216, 8814, 8927, 9243, 9776, 10622, 10848, 10998, 11139, 11376, 11752, 12168, 12324, 13221, 13351, 13536, 14664, 14852, 15886, 15933, 16224, 16272, 16432, 17628, 17854, 18486, 19097, 19552, 21244, 21996, 22278, 22752, 23504, 23829, 24336, 24648, 26442, 26702, 26781, 29328, 29704, 31772, 31866, 32544, 32864, 33417, 35256, 35708, 36972, 38194, 40053, 42488, 43992, 44556, 47008, 47658, 47799, 48269, 48672, 49296, 52884, 53404, 53562, 57291, 58656, 59408, 63544, 63732, 66834, 69043, 70512, 71416, 71487, 73944, 76388, 80106, 80343, 84976, 87984, 89112, 95316, 95598, 96538, 98592, 105768, 106808, 107124, 114582, 116051, 118816, 120159, 127088, 127464, 133668, 138086, 141024, 142832, 142974, 144807, 147888, 152776, 160212, 160686, 169952, 171873, 175968, 178224, 190632, 191196, 193076, 207129, 211536, 213616, 214248, 229164, 232102, 240318, 254176, 254928, 267336, 276172, 285664, 285948, 289614, 295776, 305552, 320424, 321372, 343746, 348153, 356448, 381264, 382392, 386152, 414258, 419569, 423072, 427232, 428496, 434421, 458328, 464204, 480636, 509856, 534672, 552344, 571896, 579228, 611104, 621387, 627497, 640848, 642744, 687492, 696306, 762528, 764784, 772304, 828516, 839138, 856992, 868842, 897559, 916656, 928408, 961272, 1044459, 1069344, 1104688, 1143792, 1158456, 1242774, 1254994, 1258707, 1281696, 1285488, 1374984, 1392612, 1508663, 1529568, 1544608, 1657032, 1678276, 1737684, 1795118, 1833312, 1856816, 1882491, 1922544, 2088918, 2209376, 2287584, 2316912, 2485548, 2509988, 2517414, 2570976, 2692677, 2749968, 2785224, 3017326, 3314064, 3356552, 3475368, 3590236, 3713632, 3764982, 3776121, 3845088, 4177836, 4525989, 4633824, 4971096, 5019976, 5034828, 5385354, 5454397, 5499936, 5570448, 5647473, 6034652, 6628128, 6713104, 6950736, 7180472, 7529964, 7552242, 8078031, 8355672, 9051978, 9942192, 10039952, 10069656, 10770708, 10908794, 11140896, 11294946, 12069304, 13426208, 13577967, 13901472, 14360944, 15059928, 15104484, 16156062, 16363191, 16711344, 18103956, 19884384, 20079904, 20139312, 21541416, 21817588, 22589892, 24138608, 27155934, 28721888, 30119856, 30208968, 32312124, 32726382, 33422688, 36207912, 40278624, 43082832, 43635176, 45179784, 48277216, 49089573, 54311868, 60239712, 60417936, 64624248, 65452764, 70907161, 72415824, 86165664, 87270352, 90359568, 98179146, 108623736, 120835872, 129248496, 130905528, 141814322, 144831648, 174540704, 180719136, 196358292, 212721483, 217247472, 258496992, 261811056, 283628644, 392716584, 425442966, 434494944, 523622112, 567257288, 638164449, 785433168, 850885932, 1134514576, 1276328898, 1570866336, 1701771864, 2269029152, 2552657796, 3403543728, 5105315592, 6807087456, 10210631184, 20421262368]

約数ペア:

[(1, 20421262368), (2, 10210631184), (3, 6807087456), (4, 5105315592), (6, 3403543728), (8, 2552657796), (9, 2269029152), (12, 1701771864), (13, 1570866336), (16, 1276328898), (18, 1134514576), (24, 850885932), (26, 785433168), (32, 638164449), (36, 567257288), (39, 523622112), (47, 434494944), (48, 425442966), (52, 392716584), (72, 283628644), (78, 261811056), (79, 258496992), (94, 217247472), (96, 212721483), (104, 196358292), (113, 180719136), (117, 174540704), (141, 144831648), (144, 141814322), (156, 130905528), (158, 129248496), (169, 120835872), (188, 108623736), (208, 98179146), (226, 90359568), (234, 87270352), (237, 86165664), (282, 72415824), (288, 70907161), (312, 65452764), (316, 64624248), (338, 60417936), (339, 60239712), (376, 54311868), (416, 49089573), (423, 48277216), (452, 45179784), (468, 43635176), (474, 43082832), (507, 40278624), (564, 36207912), (611, 33422688), (624, 32726382), (632, 32312124), (676, 30208968), (678, 30119856), (711, 28721888), (752, 27155934), (846, 24138608), (904, 22589892), (936, 21817588), (948, 21541416), (1014, 20139312), (1017, 20079904), (1027, 19884384), (1128, 18103956), (1222, 16711344), (1248, 16363191), (1264, 16156062), (1352, 15104484), (1356, 15059928), (1422, 14360944), (1469, 13901472), (1504, 13577967), (1521, 13426208), (1692, 12069304), (1808, 11294946), (1833, 11140896), (1872, 10908794), (1896, 10770708), (2028, 10069656), (2034, 10039952), (2054, 9942192), (2256, 9051978), (2444, 8355672), (2528, 8078031), (2704, 7552242), (2712, 7529964), (2844, 7180472), (2938, 6950736), (3042, 6713104), (3081, 6628128), (3384, 6034652), (3616, 5647473), (3666, 5570448), (3713, 5499936), (3744, 5454397), (3792, 5385354), (4056, 5034828), (4068, 5019976), (4108, 4971096), (4407, 4633824), (4512, 4525989), (4888, 4177836), (5311, 3845088), (5408, 3776121), (5424, 3764982), (5499, 3713632), (5688, 3590236), (5876, 3475368), (6084, 3356552), (6162, 3314064), (6768, 3017326), (7332, 2785224), (7426, 2749968), (7584, 2692677), (7943, 2570976), (8112, 2517414), (8136, 2509988), (8216, 2485548), (8814, 2316912), (8927, 2287584), (9243, 2209376), (9776, 2088918), (10622, 1922544), (10848, 1882491), (10998, 1856816), (11139, 1833312), (11376, 1795118), (11752, 1737684), (12168, 1678276), (12324, 1657032), (13221, 1544608), (13351, 1529568), (13536, 1508663), (14664, 1392612), (14852, 1374984), (15886, 1285488), (15933, 1281696), (16224, 1258707), (16272, 1254994), (16432, 1242774), (17628, 1158456), (17854, 1143792), (18486, 1104688), (19097, 1069344), (19552, 1044459), (21244, 961272), (21996, 928408), (22278, 916656), (22752, 897559), (23504, 868842), (23829, 856992), (24336, 839138), (24648, 828516), (26442, 772304), (26702, 764784), (26781, 762528), (29328, 696306), (29704, 687492), (31772, 642744), (31866, 640848), (32544, 627497), (32864, 621387), (33417, 611104), (35256, 579228), (35708, 571896), (36972, 552344), (38194, 534672), (40053, 509856), (42488, 480636), (43992, 464204), (44556, 458328), (47008, 434421), (47658, 428496), (47799, 427232), (48269, 423072), (48672, 419569), (49296, 414258), (52884, 386152), (53404, 382392), (53562, 381264), (57291, 356448), (58656, 348153), (59408, 343746), (63544, 321372), (63732, 320424), (66834, 305552), (69043, 295776), (70512, 289614), (71416, 285948), (71487, 285664), (73944, 276172), (76388, 267336), (80106, 254928), (80343, 254176), (84976, 240318), (87984, 232102), (89112, 229164), (95316, 214248), (95598, 213616), (96538, 211536), (98592, 207129), (105768, 193076), (106808, 191196), (107124, 190632), (114582, 178224), (116051, 175968), (118816, 171873), (120159, 169952), (127088, 160686), (127464, 160212), (133668, 152776), (138086, 147888), (141024, 144807), (142832, 142974)]