20541600

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{317}}^1$

素因数の和:349

約数の個数: 180

約数和(自身を含む): 75147534

約数和(自身を除く): 54605934

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 270, 288, 300, 317, 324, 360, 400, 405, 432, 450, 480, 540, 600, 634, 648, 675, 720, 800, 810, 864, 900, 951, 1080, 1200, 1268, 1296, 1350, 1440, 1585, 1620, 1800, 1902, 2025, 2160, 2400, 2536, 2592, 2700, 2853, 3170, 3240, 3600, 3804, 4050, 4320, 4755, 5072, 5400, 5706, 6340, 6480, 7200, 7608, 7925, 8100, 8559, 9510, 10144, 10800, 11412, 12680, 12960, 14265, 15216, 15850, 16200, 17118, 19020, 21600, 22824, 23775, 25360, 25677, 28530, 30432, 31700, 32400, 34236, 38040, 42795, 45648, 47550, 50720, 51354, 57060, 63400, 64800, 68472, 71325, 76080, 85590, 91296, 95100, 102708, 114120, 126800, 128385, 136944, 142650, 152160, 171180, 190200, 205416, 213975, 228240, 253600, 256770, 273888, 285300, 342360, 380400, 410832, 427950, 456480, 513540, 570600, 641925, 684720, 760800, 821664, 855900, 1027080, 1141200, 1283850, 1369440, 1711800, 2054160, 2282400, 2567700, 3423600, 4108320, 5135400, 6847200, 10270800, 20541600]

約数ペア:

[(1, 20541600), (2, 10270800), (3, 6847200), (4, 5135400), (5, 4108320), (6, 3423600), (8, 2567700), (9, 2282400), (10, 2054160), (12, 1711800), (15, 1369440), (16, 1283850), (18, 1141200), (20, 1027080), (24, 855900), (25, 821664), (27, 760800), (30, 684720), (32, 641925), (36, 570600), (40, 513540), (45, 456480), (48, 427950), (50, 410832), (54, 380400), (60, 342360), (72, 285300), (75, 273888), (80, 256770), (81, 253600), (90, 228240), (96, 213975), (100, 205416), (108, 190200), (120, 171180), (135, 152160), (144, 142650), (150, 136944), (160, 128385), (162, 126800), (180, 114120), (200, 102708), (216, 95100), (225, 91296), (240, 85590), (270, 76080), (288, 71325), (300, 68472), (317, 64800), (324, 63400), (360, 57060), (400, 51354), (405, 50720), (432, 47550), (450, 45648), (480, 42795), (540, 38040), (600, 34236), (634, 32400), (648, 31700), (675, 30432), (720, 28530), (800, 25677), (810, 25360), (864, 23775), (900, 22824), (951, 21600), (1080, 19020), (1200, 17118), (1268, 16200), (1296, 15850), (1350, 15216), (1440, 14265), (1585, 12960), (1620, 12680), (1800, 11412), (1902, 10800), (2025, 10144), (2160, 9510), (2400, 8559), (2536, 8100), (2592, 7925), (2700, 7608), (2853, 7200), (3170, 6480), (3240, 6340), (3600, 5706), (3804, 5400), (4050, 5072), (4320, 4755)]