20245680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 320

約数和(自身を含む): 86661120

約数和(自身を除く): 66415440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 103, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 180, 182, 189, 195, 206, 208, 210, 216, 234, 240, 252, 260, 270, 273, 280, 309, 312, 315, 336, 351, 360, 364, 378, 390, 412, 420, 432, 455, 468, 504, 515, 520, 540, 546, 560, 585, 618, 624, 630, 702, 720, 721, 728, 756, 780, 819, 824, 840, 910, 927, 936, 945, 1008, 1030, 1040, 1080, 1092, 1170, 1236, 1260, 1339, 1365, 1404, 1442, 1456, 1512, 1545, 1560, 1638, 1648, 1680, 1755, 1820, 1854, 1872, 1890, 2060, 2160, 2163, 2184, 2340, 2457, 2472, 2520, 2678, 2730, 2781, 2808, 2884, 3024, 3090, 3120, 3276, 3510, 3605, 3640, 3708, 3780, 4017, 4095, 4120, 4326, 4368, 4635, 4680, 4914, 4944, 5040, 5356, 5460, 5562, 5616, 5768, 6180, 6489, 6552, 6695, 7020, 7210, 7280, 7416, 7560, 8034, 8190, 8240, 8652, 9270, 9360, 9373, 9828, 10712, 10815, 10920, 11124, 11536, 12051, 12285, 12360, 12978, 13104, 13390, 13905, 14040, 14420, 14832, 15120, 16068, 16380, 17304, 18540, 18746, 19467, 19656, 20085, 21424, 21630, 21840, 22248, 24102, 24570, 24720, 25956, 26780, 27810, 28080, 28119, 28840, 32136, 32445, 32760, 34608, 36153, 37080, 37492, 38934, 39312, 40170, 43260, 44496, 46865, 48204, 49140, 51912, 53560, 55620, 56238, 57680, 60255, 64272, 64890, 65520, 72306, 74160, 74984, 77868, 80340, 84357, 86520, 93730, 96408, 97335, 98280, 103824, 107120, 111240, 112476, 120510, 129780, 140595, 144612, 149968, 155736, 160680, 168714, 173040, 180765, 187460, 192816, 194670, 196560, 222480, 224952, 241020, 253071, 259560, 281190, 289224, 311472, 321360, 337428, 361530, 374920, 389340, 421785, 449904, 482040, 506142, 519120, 562380, 578448, 674856, 723060, 749840, 778680, 843570, 964080, 1012284, 1124760, 1265355, 1349712, 1446120, 1557360, 1687140, 2024568, 2249520, 2530710, 2892240, 3374280, 4049136, 5061420, 6748560, 10122840, 20245680]

約数ペア:

[(1, 20245680), (2, 10122840), (3, 6748560), (4, 5061420), (5, 4049136), (6, 3374280), (7, 2892240), (8, 2530710), (9, 2249520), (10, 2024568), (12, 1687140), (13, 1557360), (14, 1446120), (15, 1349712), (16, 1265355), (18, 1124760), (20, 1012284), (21, 964080), (24, 843570), (26, 778680), (27, 749840), (28, 723060), (30, 674856), (35, 578448), (36, 562380), (39, 519120), (40, 506142), (42, 482040), (45, 449904), (48, 421785), (52, 389340), (54, 374920), (56, 361530), (60, 337428), (63, 321360), (65, 311472), (70, 289224), (72, 281190), (78, 259560), (80, 253071), (84, 241020), (90, 224952), (91, 222480), (103, 196560), (104, 194670), (105, 192816), (108, 187460), (112, 180765), (117, 173040), (120, 168714), (126, 160680), (130, 155736), (135, 149968), (140, 144612), (144, 140595), (156, 129780), (168, 120510), (180, 112476), (182, 111240), (189, 107120), (195, 103824), (206, 98280), (208, 97335), (210, 96408), (216, 93730), (234, 86520), (240, 84357), (252, 80340), (260, 77868), (270, 74984), (273, 74160), (280, 72306), (309, 65520), (312, 64890), (315, 64272), (336, 60255), (351, 57680), (360, 56238), (364, 55620), (378, 53560), (390, 51912), (412, 49140), (420, 48204), (432, 46865), (455, 44496), (468, 43260), (504, 40170), (515, 39312), (520, 38934), (540, 37492), (546, 37080), (560, 36153), (585, 34608), (618, 32760), (624, 32445), (630, 32136), (702, 28840), (720, 28119), (721, 28080), (728, 27810), (756, 26780), (780, 25956), (819, 24720), (824, 24570), (840, 24102), (910, 22248), (927, 21840), (936, 21630), (945, 21424), (1008, 20085), (1030, 19656), (1040, 19467), (1080, 18746), (1092, 18540), (1170, 17304), (1236, 16380), (1260, 16068), (1339, 15120), (1365, 14832), (1404, 14420), (1442, 14040), (1456, 13905), (1512, 13390), (1545, 13104), (1560, 12978), (1638, 12360), (1648, 12285), (1680, 12051), (1755, 11536), (1820, 11124), (1854, 10920), (1872, 10815), (1890, 10712), (2060, 9828), (2160, 9373), (2163, 9360), (2184, 9270), (2340, 8652), (2457, 8240), (2472, 8190), (2520, 8034), (2678, 7560), (2730, 7416), (2781, 7280), (2808, 7210), (2884, 7020), (3024, 6695), (3090, 6552), (3120, 6489), (3276, 6180), (3510, 5768), (3605, 5616), (3640, 5562), (3708, 5460), (3780, 5356), (4017, 5040), (4095, 4944), (4120, 4914), (4326, 4680), (4368, 4635)]