20490666240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{485101}}^1$

素因数の和:485136

約数の個数: 144

約数和(自身を含む): 71391491136

約数和(自身を除く): 50900824896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1760, 1920, 2112, 2640, 2816, 3520, 3840, 4224, 5280, 7040, 8448, 10560, 14080, 21120, 42240, 485101, 970202, 1455303, 1940404, 2425505, 2910606, 3880808, 4851010, 5336111, 5821212, 7276515, 7761616, 9702020, 10672222, 11642424, 14553030, 15523232, 16008333, 19404040, 21344444, 23284848, 26680555, 29106060, 31046464, 32016666, 38808080, 42688888, 46569696, 53361110, 58212120, 62092928, 64033332, 77616160, 80041665, 85377776, 93139392, 106722220, 116424240, 124185856, 128066664, 155232320, 160083330, 170755552, 186278784, 213444440, 232848480, 256133328, 310464640, 320166660, 341511104, 372557568, 426888880, 465696960, 512266656, 620929280, 640333320, 683022208, 853777760, 931393920, 1024533312, 1280666640, 1366044416, 1707555520, 1862787840, 2049066624, 2561333280, 3415111040, 4098133248, 5122666560, 6830222080, 10245333120, 20490666240]

約数ペア:

[(1, 20490666240), (2, 10245333120), (3, 6830222080), (4, 5122666560), (5, 4098133248), (6, 3415111040), (8, 2561333280), (10, 2049066624), (11, 1862787840), (12, 1707555520), (15, 1366044416), (16, 1280666640), (20, 1024533312), (22, 931393920), (24, 853777760), (30, 683022208), (32, 640333320), (33, 620929280), (40, 512266656), (44, 465696960), (48, 426888880), (55, 372557568), (60, 341511104), (64, 320166660), (66, 310464640), (80, 256133328), (88, 232848480), (96, 213444440), (110, 186278784), (120, 170755552), (128, 160083330), (132, 155232320), (160, 128066664), (165, 124185856), (176, 116424240), (192, 106722220), (220, 93139392), (240, 85377776), (256, 80041665), (264, 77616160), (320, 64033332), (330, 62092928), (352, 58212120), (384, 53361110), (440, 46569696), (480, 42688888), (528, 38808080), (640, 32016666), (660, 31046464), (704, 29106060), (768, 26680555), (880, 23284848), (960, 21344444), (1056, 19404040), (1280, 16008333), (1320, 15523232), (1408, 14553030), (1760, 11642424), (1920, 10672222), (2112, 9702020), (2640, 7761616), (2816, 7276515), (3520, 5821212), (3840, 5336111), (4224, 4851010), (5280, 3880808), (7040, 2910606), (8448, 2425505), (10560, 1940404), (14080, 1455303), (21120, 970202), (42240, 485101)]