20809691520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{105227}}^1$

素因数の和:105352

約数の個数: 128

約数和(自身を含む): 66975517440

約数和(自身を除く): 46165825920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 160, 192, 206, 240, 309, 320, 384, 412, 480, 515, 618, 640, 824, 960, 1030, 1236, 1545, 1648, 1920, 2060, 2472, 3090, 3296, 4120, 4944, 6180, 6592, 8240, 9888, 12360, 13184, 16480, 19776, 24720, 32960, 39552, 49440, 65920, 98880, 105227, 197760, 210454, 315681, 420908, 526135, 631362, 841816, 1052270, 1262724, 1578405, 1683632, 2104540, 2525448, 3156810, 3367264, 4209080, 5050896, 6313620, 6734528, 8418160, 10101792, 10838381, 12627240, 13469056, 16836320, 20203584, 21676762, 25254480, 32515143, 33672640, 40407168, 43353524, 50508960, 54191905, 65030286, 67345280, 86707048, 101017920, 108383810, 130060572, 162575715, 173414096, 202035840, 216767620, 260121144, 325151430, 346828192, 433535240, 520242288, 650302860, 693656384, 867070480, 1040484576, 1300605720, 1387312768, 1734140960, 2080969152, 2601211440, 3468281920, 4161938304, 5202422880, 6936563840, 10404845760, 20809691520]

約数ペア:

[(1, 20809691520), (2, 10404845760), (3, 6936563840), (4, 5202422880), (5, 4161938304), (6, 3468281920), (8, 2601211440), (10, 2080969152), (12, 1734140960), (15, 1387312768), (16, 1300605720), (20, 1040484576), (24, 867070480), (30, 693656384), (32, 650302860), (40, 520242288), (48, 433535240), (60, 346828192), (64, 325151430), (80, 260121144), (96, 216767620), (103, 202035840), (120, 173414096), (128, 162575715), (160, 130060572), (192, 108383810), (206, 101017920), (240, 86707048), (309, 67345280), (320, 65030286), (384, 54191905), (412, 50508960), (480, 43353524), (515, 40407168), (618, 33672640), (640, 32515143), (824, 25254480), (960, 21676762), (1030, 20203584), (1236, 16836320), (1545, 13469056), (1648, 12627240), (1920, 10838381), (2060, 10101792), (2472, 8418160), (3090, 6734528), (3296, 6313620), (4120, 5050896), (4944, 4209080), (6180, 3367264), (6592, 3156810), (8240, 2525448), (9888, 2104540), (12360, 1683632), (13184, 1578405), (16480, 1262724), (19776, 1052270), (24720, 841816), (32960, 631362), (39552, 526135), (49440, 420908), (65920, 315681), (98880, 210454), (105227, 197760)]