20281302912

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:549

約数の個数: 256

約数和(自身を含む): 59222016000

約数和(自身を除く): 38940713088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 89, 96, 104, 128, 156, 178, 191, 192, 208, 239, 267, 312, 356, 382, 384, 416, 478, 534, 573, 624, 712, 717, 764, 832, 956, 1068, 1146, 1157, 1248, 1424, 1434, 1528, 1664, 1912, 2136, 2292, 2314, 2483, 2496, 2848, 2868, 3056, 3107, 3471, 3824, 4272, 4584, 4628, 4966, 4992, 5696, 5736, 6112, 6214, 6942, 7449, 7648, 8544, 9168, 9256, 9321, 9932, 11392, 11472, 12224, 12428, 13884, 14898, 15296, 16999, 17088, 18336, 18512, 18642, 19864, 21271, 22944, 24448, 24856, 27768, 29796, 30592, 33998, 34176, 36672, 37024, 37284, 39728, 42542, 45649, 45888, 49712, 50997, 55536, 59592, 63813, 67996, 73344, 74048, 74568, 79456, 85084, 91298, 91776, 99424, 101994, 111072, 119184, 127626, 135992, 136947, 148096, 149136, 158912, 170168, 182596, 198848, 203988, 220987, 222144, 238368, 255252, 271984, 273894, 276523, 298272, 317824, 340336, 365192, 397696, 407976, 441974, 444288, 476736, 510504, 543968, 547788, 553046, 593437, 596544, 662961, 680672, 730384, 815952, 829569, 883948, 953472, 1021008, 1087936, 1095576, 1106092, 1186874, 1193088, 1325922, 1361344, 1460768, 1631904, 1659138, 1767896, 1780311, 2042016, 2175872, 2191152, 2212184, 2373748, 2651844, 2722688, 2921536, 3263808, 3318276, 3535792, 3560622, 4062761, 4084032, 4382304, 4424368, 4747496, 5303688, 5843072, 6527616, 6636552, 7071584, 7121244, 8125522, 8168064, 8764608, 8848736, 9494992, 10607376, 12188283, 13273104, 14143168, 14242488, 16251044, 17529216, 17697472, 18989984, 21214752, 24376566, 26546208, 28286336, 28484976, 32502088, 35394944, 37979968, 42429504, 48753132, 52815893, 53092416, 56969952, 65004176, 75959936, 84859008, 97506264, 105631786, 106184832, 113939904, 130008352, 158447679, 195012528, 211263572, 227879808, 260016704, 316895358, 390025056, 422527144, 520033408, 633790716, 780050112, 845054288, 1267581432, 1560100224, 1690108576, 2535162864, 3380217152, 5070325728, 6760434304, 10140651456, 20281302912]

約数ペア:

[(1, 20281302912), (2, 10140651456), (3, 6760434304), (4, 5070325728), (6, 3380217152), (8, 2535162864), (12, 1690108576), (13, 1560100224), (16, 1267581432), (24, 845054288), (26, 780050112), (32, 633790716), (39, 520033408), (48, 422527144), (52, 390025056), (64, 316895358), (78, 260016704), (89, 227879808), (96, 211263572), (104, 195012528), (128, 158447679), (156, 130008352), (178, 113939904), (191, 106184832), (192, 105631786), (208, 97506264), (239, 84859008), (267, 75959936), (312, 65004176), (356, 56969952), (382, 53092416), (384, 52815893), (416, 48753132), (478, 42429504), (534, 37979968), (573, 35394944), (624, 32502088), (712, 28484976), (717, 28286336), (764, 26546208), (832, 24376566), (956, 21214752), (1068, 18989984), (1146, 17697472), (1157, 17529216), (1248, 16251044), (1424, 14242488), (1434, 14143168), (1528, 13273104), (1664, 12188283), (1912, 10607376), (2136, 9494992), (2292, 8848736), (2314, 8764608), (2483, 8168064), (2496, 8125522), (2848, 7121244), (2868, 7071584), (3056, 6636552), (3107, 6527616), (3471, 5843072), (3824, 5303688), (4272, 4747496), (4584, 4424368), (4628, 4382304), (4966, 4084032), (4992, 4062761), (5696, 3560622), (5736, 3535792), (6112, 3318276), (6214, 3263808), (6942, 2921536), (7449, 2722688), (7648, 2651844), (8544, 2373748), (9168, 2212184), (9256, 2191152), (9321, 2175872), (9932, 2042016), (11392, 1780311), (11472, 1767896), (12224, 1659138), (12428, 1631904), (13884, 1460768), (14898, 1361344), (15296, 1325922), (16999, 1193088), (17088, 1186874), (18336, 1106092), (18512, 1095576), (18642, 1087936), (19864, 1021008), (21271, 953472), (22944, 883948), (24448, 829569), (24856, 815952), (27768, 730384), (29796, 680672), (30592, 662961), (33998, 596544), (34176, 593437), (36672, 553046), (37024, 547788), (37284, 543968), (39728, 510504), (42542, 476736), (45649, 444288), (45888, 441974), (49712, 407976), (50997, 397696), (55536, 365192), (59592, 340336), (63813, 317824), (67996, 298272), (73344, 276523), (74048, 273894), (74568, 271984), (79456, 255252), (85084, 238368), (91298, 222144), (91776, 220987), (99424, 203988), (101994, 198848), (111072, 182596), (119184, 170168), (127626, 158912), (135992, 149136), (136947, 148096)]