20281178112

素因数分解:

$2^{11}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8260

約数の個数: 192

約数和(自身を含む): 60114862080

約数和(自身を除く): 39833683968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 512, 624, 744, 768, 806, 832, 992, 1024, 1209, 1248, 1488, 1536, 1612, 1664, 1984, 2048, 2418, 2496, 2976, 3072, 3224, 3328, 3968, 4836, 4992, 5952, 6144, 6448, 6656, 7936, 8191, 9672, 9984, 11904, 12896, 13312, 15872, 16382, 19344, 19968, 23808, 24573, 25792, 26624, 31744, 32764, 38688, 39936, 47616, 49146, 51584, 63488, 65528, 77376, 79872, 95232, 98292, 103168, 106483, 131056, 154752, 190464, 196584, 206336, 212966, 253921, 262112, 309504, 319449, 393168, 412672, 425932, 507842, 524224, 619008, 638898, 761763, 786336, 825344, 851864, 1015684, 1048448, 1238016, 1277796, 1523526, 1572672, 1703728, 2031368, 2096896, 2476032, 2555592, 3047052, 3145344, 3300973, 3407456, 4062736, 4193792, 5111184, 6094104, 6290688, 6601946, 6814912, 8125472, 8387584, 9902919, 10222368, 12188208, 12581376, 13203892, 13629824, 16250944, 16775168, 19805838, 20444736, 24376416, 25162752, 26407784, 27259648, 32501888, 39611676, 40889472, 48752832, 50325504, 52815568, 54519296, 65003776, 79223352, 81778944, 97505664, 105631136, 109038592, 130007552, 158446704, 163557888, 195011328, 211262272, 218077184, 260015104, 316893408, 327115776, 390022656, 422524544, 520030208, 633786816, 654231552, 780045312, 845049088, 1267573632, 1560090624, 1690098176, 2535147264, 3380196352, 5070294528, 6760392704, 10140589056, 20281178112]

約数ペア:

[(1, 20281178112), (2, 10140589056), (3, 6760392704), (4, 5070294528), (6, 3380196352), (8, 2535147264), (12, 1690098176), (13, 1560090624), (16, 1267573632), (24, 845049088), (26, 780045312), (31, 654231552), (32, 633786816), (39, 520030208), (48, 422524544), (52, 390022656), (62, 327115776), (64, 316893408), (78, 260015104), (93, 218077184), (96, 211262272), (104, 195011328), (124, 163557888), (128, 158446704), (156, 130007552), (186, 109038592), (192, 105631136), (208, 97505664), (248, 81778944), (256, 79223352), (312, 65003776), (372, 54519296), (384, 52815568), (403, 50325504), (416, 48752832), (496, 40889472), (512, 39611676), (624, 32501888), (744, 27259648), (768, 26407784), (806, 25162752), (832, 24376416), (992, 20444736), (1024, 19805838), (1209, 16775168), (1248, 16250944), (1488, 13629824), (1536, 13203892), (1612, 12581376), (1664, 12188208), (1984, 10222368), (2048, 9902919), (2418, 8387584), (2496, 8125472), (2976, 6814912), (3072, 6601946), (3224, 6290688), (3328, 6094104), (3968, 5111184), (4836, 4193792), (4992, 4062736), (5952, 3407456), (6144, 3300973), (6448, 3145344), (6656, 3047052), (7936, 2555592), (8191, 2476032), (9672, 2096896), (9984, 2031368), (11904, 1703728), (12896, 1572672), (13312, 1523526), (15872, 1277796), (16382, 1238016), (19344, 1048448), (19968, 1015684), (23808, 851864), (24573, 825344), (25792, 786336), (26624, 761763), (31744, 638898), (32764, 619008), (38688, 524224), (39936, 507842), (47616, 425932), (49146, 412672), (51584, 393168), (63488, 319449), (65528, 309504), (77376, 262112), (79872, 253921), (95232, 212966), (98292, 206336), (103168, 196584), (106483, 190464), (131056, 154752)]