20991683232

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10639}}^1$

素因数の和:10716

約数の個数: 288

約数和(自身を含む): 70270986240

約数和(自身を除く): 49279303008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 31, 32, 34, 36, 39, 48, 51, 52, 62, 68, 72, 78, 93, 96, 102, 104, 117, 124, 136, 144, 153, 156, 186, 204, 208, 221, 234, 248, 272, 279, 288, 306, 312, 372, 403, 408, 416, 442, 468, 496, 527, 544, 558, 612, 624, 663, 744, 806, 816, 884, 936, 992, 1054, 1116, 1209, 1224, 1248, 1326, 1488, 1581, 1612, 1632, 1768, 1872, 1989, 2108, 2232, 2418, 2448, 2652, 2976, 3162, 3224, 3536, 3627, 3744, 3978, 4216, 4464, 4743, 4836, 4896, 5304, 6324, 6448, 6851, 7072, 7254, 7956, 8432, 8928, 9486, 9672, 10608, 10639, 12648, 12896, 13702, 14508, 15912, 16864, 18972, 19344, 20553, 21216, 21278, 25296, 27404, 29016, 31824, 31917, 37944, 38688, 41106, 42556, 50592, 54808, 58032, 61659, 63648, 63834, 75888, 82212, 85112, 95751, 109616, 116064, 123318, 127668, 138307, 151776, 164424, 170224, 180863, 191502, 219232, 246636, 255336, 276614, 328848, 329809, 340448, 361726, 383004, 414921, 493272, 510672, 542589, 553228, 657696, 659618, 723452, 766008, 829842, 986544, 989427, 1021344, 1085178, 1106456, 1244763, 1319236, 1446904, 1532016, 1627767, 1659684, 1973088, 1978854, 2170356, 2212912, 2351219, 2489526, 2638472, 2893808, 2968281, 3064032, 3255534, 3319368, 3957708, 4287517, 4340712, 4425824, 4702438, 4979052, 5276944, 5606753, 5787616, 5936562, 6511068, 6638736, 7053657, 7915416, 8575034, 8681424, 9404876, 9958104, 10553888, 11213506, 11873124, 12862551, 13022136, 13277472, 14107314, 15830832, 16820259, 17150068, 17362848, 18809752, 19916208, 21160971, 22427012, 23746248, 25725102, 26044272, 28214628, 31661664, 33640518, 34300136, 37619504, 38587653, 39832416, 42321942, 44854024, 47492496, 50460777, 51450204, 52088544, 56429256, 67281036, 68600272, 72887789, 75239008, 77175306, 84643884, 89708048, 94984992, 100921554, 102900408, 112858512, 134562072, 137200544, 145775578, 154350612, 169287768, 179416096, 201843108, 205800816, 218663367, 225717024, 269124144, 291551156, 308701224, 338575536, 403686216, 411601632, 437326734, 538248288, 583102312, 617402448, 655990101, 677151072, 807372432, 874653468, 1166204624, 1234804896, 1311980202, 1614744864, 1749306936, 2332409248, 2623960404, 3498613872, 5247920808, 6997227744, 10495841616, 20991683232]

約数ペア:

[(1, 20991683232), (2, 10495841616), (3, 6997227744), (4, 5247920808), (6, 3498613872), (8, 2623960404), (9, 2332409248), (12, 1749306936), (13, 1614744864), (16, 1311980202), (17, 1234804896), (18, 1166204624), (24, 874653468), (26, 807372432), (31, 677151072), (32, 655990101), (34, 617402448), (36, 583102312), (39, 538248288), (48, 437326734), (51, 411601632), (52, 403686216), (62, 338575536), (68, 308701224), (72, 291551156), (78, 269124144), (93, 225717024), (96, 218663367), (102, 205800816), (104, 201843108), (117, 179416096), (124, 169287768), (136, 154350612), (144, 145775578), (153, 137200544), (156, 134562072), (186, 112858512), (204, 102900408), (208, 100921554), (221, 94984992), (234, 89708048), (248, 84643884), (272, 77175306), (279, 75239008), (288, 72887789), (306, 68600272), (312, 67281036), (372, 56429256), (403, 52088544), (408, 51450204), (416, 50460777), (442, 47492496), (468, 44854024), (496, 42321942), (527, 39832416), (544, 38587653), (558, 37619504), (612, 34300136), (624, 33640518), (663, 31661664), (744, 28214628), (806, 26044272), (816, 25725102), (884, 23746248), (936, 22427012), (992, 21160971), (1054, 19916208), (1116, 18809752), (1209, 17362848), (1224, 17150068), (1248, 16820259), (1326, 15830832), (1488, 14107314), (1581, 13277472), (1612, 13022136), (1632, 12862551), (1768, 11873124), (1872, 11213506), (1989, 10553888), (2108, 9958104), (2232, 9404876), (2418, 8681424), (2448, 8575034), (2652, 7915416), (2976, 7053657), (3162, 6638736), (3224, 6511068), (3536, 5936562), (3627, 5787616), (3744, 5606753), (3978, 5276944), (4216, 4979052), (4464, 4702438), (4743, 4425824), (4836, 4340712), (4896, 4287517), (5304, 3957708), (6324, 3319368), (6448, 3255534), (6851, 3064032), (7072, 2968281), (7254, 2893808), (7956, 2638472), (8432, 2489526), (8928, 2351219), (9486, 2212912), (9672, 2170356), (10608, 1978854), (10639, 1973088), (12648, 1659684), (12896, 1627767), (13702, 1532016), (14508, 1446904), (15912, 1319236), (16864, 1244763), (18972, 1106456), (19344, 1085178), (20553, 1021344), (21216, 989427), (21278, 986544), (25296, 829842), (27404, 766008), (29016, 723452), (31824, 659618), (31917, 657696), (37944, 553228), (38688, 542589), (41106, 510672), (42556, 493272), (50592, 414921), (54808, 383004), (58032, 361726), (61659, 340448), (63648, 329809), (63834, 328848), (75888, 276614), (82212, 255336), (85112, 246636), (95751, 219232), (109616, 191502), (116064, 180863), (123318, 170224), (127668, 164424), (138307, 151776)]