20123712

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 252

約数和(自身を含む): 72274176

約数和(自身を除く): 52150464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 31, 32, 36, 42, 46, 48, 49, 56, 62, 63, 64, 69, 72, 84, 92, 93, 96, 98, 112, 124, 126, 138, 144, 147, 161, 168, 184, 186, 192, 196, 207, 217, 224, 248, 252, 276, 279, 288, 294, 322, 336, 368, 372, 392, 414, 434, 441, 448, 483, 496, 504, 552, 558, 576, 588, 644, 651, 672, 713, 736, 744, 784, 828, 868, 882, 966, 992, 1008, 1104, 1116, 1127, 1176, 1288, 1302, 1344, 1426, 1449, 1472, 1488, 1519, 1568, 1656, 1736, 1764, 1932, 1953, 1984, 2016, 2139, 2208, 2232, 2254, 2352, 2576, 2604, 2852, 2898, 2976, 3038, 3136, 3312, 3381, 3472, 3528, 3864, 3906, 4032, 4278, 4416, 4464, 4508, 4557, 4704, 4991, 5152, 5208, 5704, 5796, 5952, 6076, 6417, 6624, 6762, 6944, 7056, 7728, 7812, 8556, 8928, 9016, 9114, 9408, 9982, 10143, 10304, 10416, 11408, 11592, 12152, 12834, 13248, 13524, 13671, 13888, 14112, 14973, 15456, 15624, 17112, 17856, 18032, 18228, 19964, 20286, 20832, 22816, 23184, 24304, 25668, 27048, 27342, 28224, 29946, 30912, 31248, 34224, 34937, 36064, 36456, 39928, 40572, 41664, 44919, 45632, 46368, 48608, 51336, 54096, 54684, 59892, 62496, 68448, 69874, 72128, 72912, 79856, 81144, 89838, 92736, 97216, 102672, 104811, 108192, 109368, 119784, 124992, 136896, 139748, 145824, 159712, 162288, 179676, 205344, 209622, 216384, 218736, 239568, 279496, 291648, 314433, 319424, 324576, 359352, 410688, 419244, 437472, 479136, 558992, 628866, 649152, 718704, 838488, 874944, 958272, 1117984, 1257732, 1437408, 1676976, 2235968, 2515464, 2874816, 3353952, 5030928, 6707904, 10061856, 20123712]

約数ペア:

[(1, 20123712), (2, 10061856), (3, 6707904), (4, 5030928), (6, 3353952), (7, 2874816), (8, 2515464), (9, 2235968), (12, 1676976), (14, 1437408), (16, 1257732), (18, 1117984), (21, 958272), (23, 874944), (24, 838488), (28, 718704), (31, 649152), (32, 628866), (36, 558992), (42, 479136), (46, 437472), (48, 419244), (49, 410688), (56, 359352), (62, 324576), (63, 319424), (64, 314433), (69, 291648), (72, 279496), (84, 239568), (92, 218736), (93, 216384), (96, 209622), (98, 205344), (112, 179676), (124, 162288), (126, 159712), (138, 145824), (144, 139748), (147, 136896), (161, 124992), (168, 119784), (184, 109368), (186, 108192), (192, 104811), (196, 102672), (207, 97216), (217, 92736), (224, 89838), (248, 81144), (252, 79856), (276, 72912), (279, 72128), (288, 69874), (294, 68448), (322, 62496), (336, 59892), (368, 54684), (372, 54096), (392, 51336), (414, 48608), (434, 46368), (441, 45632), (448, 44919), (483, 41664), (496, 40572), (504, 39928), (552, 36456), (558, 36064), (576, 34937), (588, 34224), (644, 31248), (651, 30912), (672, 29946), (713, 28224), (736, 27342), (744, 27048), (784, 25668), (828, 24304), (868, 23184), (882, 22816), (966, 20832), (992, 20286), (1008, 19964), (1104, 18228), (1116, 18032), (1127, 17856), (1176, 17112), (1288, 15624), (1302, 15456), (1344, 14973), (1426, 14112), (1449, 13888), (1472, 13671), (1488, 13524), (1519, 13248), (1568, 12834), (1656, 12152), (1736, 11592), (1764, 11408), (1932, 10416), (1953, 10304), (1984, 10143), (2016, 9982), (2139, 9408), (2208, 9114), (2232, 9016), (2254, 8928), (2352, 8556), (2576, 7812), (2604, 7728), (2852, 7056), (2898, 6944), (2976, 6762), (3038, 6624), (3136, 6417), (3312, 6076), (3381, 5952), (3472, 5796), (3528, 5704), (3864, 5208), (3906, 5152), (4032, 4991), (4278, 4704), (4416, 4557), (4464, 4508)]