20086080

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 224

約数和(自身を含む): 75590400

約数和(自身を除く): 55504320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 61, 64, 70, 80, 84, 96, 98, 105, 112, 120, 122, 140, 147, 160, 168, 183, 192, 196, 210, 224, 240, 244, 245, 280, 294, 305, 320, 336, 343, 366, 392, 420, 427, 448, 480, 488, 490, 560, 588, 610, 672, 686, 732, 735, 784, 840, 854, 915, 960, 976, 980, 1029, 1120, 1176, 1220, 1281, 1344, 1372, 1464, 1470, 1568, 1680, 1708, 1715, 1830, 1952, 1960, 2058, 2135, 2240, 2352, 2440, 2562, 2744, 2928, 2940, 2989, 3136, 3360, 3416, 3430, 3660, 3904, 3920, 4116, 4270, 4704, 4880, 5124, 5145, 5488, 5856, 5880, 5978, 6405, 6720, 6832, 6860, 7320, 7840, 8232, 8540, 8967, 9408, 9760, 10248, 10290, 10976, 11712, 11760, 11956, 12810, 13664, 13720, 14640, 14945, 15680, 16464, 17080, 17934, 19520, 20496, 20580, 20923, 21952, 23520, 23912, 25620, 27328, 27440, 29280, 29890, 32928, 34160, 35868, 40992, 41160, 41846, 44835, 47040, 47824, 51240, 54880, 58560, 59780, 62769, 65856, 68320, 71736, 81984, 82320, 83692, 89670, 95648, 102480, 104615, 109760, 119560, 125538, 136640, 143472, 164640, 167384, 179340, 191296, 204960, 209230, 239120, 251076, 286944, 313845, 329280, 334768, 358680, 409920, 418460, 478240, 502152, 573888, 627690, 669536, 717360, 836920, 956480, 1004304, 1255380, 1339072, 1434720, 1673840, 2008608, 2510760, 2869440, 3347680, 4017216, 5021520, 6695360, 10043040, 20086080]

約数ペア:

[(1, 20086080), (2, 10043040), (3, 6695360), (4, 5021520), (5, 4017216), (6, 3347680), (7, 2869440), (8, 2510760), (10, 2008608), (12, 1673840), (14, 1434720), (15, 1339072), (16, 1255380), (20, 1004304), (21, 956480), (24, 836920), (28, 717360), (30, 669536), (32, 627690), (35, 573888), (40, 502152), (42, 478240), (48, 418460), (49, 409920), (56, 358680), (60, 334768), (61, 329280), (64, 313845), (70, 286944), (80, 251076), (84, 239120), (96, 209230), (98, 204960), (105, 191296), (112, 179340), (120, 167384), (122, 164640), (140, 143472), (147, 136640), (160, 125538), (168, 119560), (183, 109760), (192, 104615), (196, 102480), (210, 95648), (224, 89670), (240, 83692), (244, 82320), (245, 81984), (280, 71736), (294, 68320), (305, 65856), (320, 62769), (336, 59780), (343, 58560), (366, 54880), (392, 51240), (420, 47824), (427, 47040), (448, 44835), (480, 41846), (488, 41160), (490, 40992), (560, 35868), (588, 34160), (610, 32928), (672, 29890), (686, 29280), (732, 27440), (735, 27328), (784, 25620), (840, 23912), (854, 23520), (915, 21952), (960, 20923), (976, 20580), (980, 20496), (1029, 19520), (1120, 17934), (1176, 17080), (1220, 16464), (1281, 15680), (1344, 14945), (1372, 14640), (1464, 13720), (1470, 13664), (1568, 12810), (1680, 11956), (1708, 11760), (1715, 11712), (1830, 10976), (1952, 10290), (1960, 10248), (2058, 9760), (2135, 9408), (2240, 8967), (2352, 8540), (2440, 8232), (2562, 7840), (2744, 7320), (2928, 6860), (2940, 6832), (2989, 6720), (3136, 6405), (3360, 5978), (3416, 5880), (3430, 5856), (3660, 5488), (3904, 5145), (3920, 5124), (4116, 4880), (4270, 4704)]