20213280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4679}}^1$

素因数の和:4703

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 50548320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4679, 9358, 14037, 18716, 23395, 28074, 37432, 42111, 46790, 56148, 70185, 74864, 84222, 93580, 112296, 126333, 140370, 149728, 168444, 187160, 210555, 224592, 252666, 280740, 336888, 374320, 421110, 449184, 505332, 561480, 631665, 673776, 748640, 842220, 1010664, 1122960, 1263330, 1347552, 1684440, 2021328, 2245920, 2526660, 3368880, 4042656, 5053320, 6737760, 10106640, 20213280]

約数ペア:

[(1, 20213280), (2, 10106640), (3, 6737760), (4, 5053320), (5, 4042656), (6, 3368880), (8, 2526660), (9, 2245920), (10, 2021328), (12, 1684440), (15, 1347552), (16, 1263330), (18, 1122960), (20, 1010664), (24, 842220), (27, 748640), (30, 673776), (32, 631665), (36, 561480), (40, 505332), (45, 449184), (48, 421110), (54, 374320), (60, 336888), (72, 280740), (80, 252666), (90, 224592), (96, 210555), (108, 187160), (120, 168444), (135, 149728), (144, 140370), (160, 126333), (180, 112296), (216, 93580), (240, 84222), (270, 74864), (288, 70185), (360, 56148), (432, 46790), (480, 42111), (540, 37432), (720, 28074), (864, 23395), (1080, 18716), (1440, 14037), (2160, 9358), (4320, 4679)]