20799360

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 75422880

約数和(自身を除く): 54623520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 157, 160, 180, 184, 192, 207, 230, 240, 276, 288, 314, 320, 345, 360, 368, 384, 414, 460, 471, 480, 552, 576, 628, 640, 690, 720, 736, 785, 828, 920, 942, 960, 1035, 1104, 1152, 1256, 1380, 1413, 1440, 1472, 1570, 1656, 1840, 1884, 1920, 2070, 2208, 2355, 2512, 2760, 2826, 2880, 2944, 3140, 3312, 3611, 3680, 3768, 4140, 4416, 4710, 5024, 5520, 5652, 5760, 6280, 6624, 7065, 7222, 7360, 7536, 8280, 8832, 9420, 10048, 10833, 11040, 11304, 12560, 13248, 14130, 14444, 14720, 15072, 16560, 18055, 18840, 20096, 21666, 22080, 22608, 25120, 26496, 28260, 28888, 30144, 32499, 33120, 36110, 37680, 43332, 44160, 45216, 50240, 54165, 56520, 57776, 60288, 64998, 66240, 72220, 75360, 86664, 90432, 100480, 108330, 113040, 115552, 129996, 132480, 144440, 150720, 162495, 173328, 180864, 216660, 226080, 231104, 259992, 288880, 301440, 324990, 346656, 433320, 452160, 462208, 519984, 577760, 649980, 693312, 866640, 904320, 1039968, 1155520, 1299960, 1386624, 1733280, 2079936, 2311040, 2599920, 3466560, 4159872, 5199840, 6933120, 10399680, 20799360]

約数ペア:

[(1, 20799360), (2, 10399680), (3, 6933120), (4, 5199840), (5, 4159872), (6, 3466560), (8, 2599920), (9, 2311040), (10, 2079936), (12, 1733280), (15, 1386624), (16, 1299960), (18, 1155520), (20, 1039968), (23, 904320), (24, 866640), (30, 693312), (32, 649980), (36, 577760), (40, 519984), (45, 462208), (46, 452160), (48, 433320), (60, 346656), (64, 324990), (69, 301440), (72, 288880), (80, 259992), (90, 231104), (92, 226080), (96, 216660), (115, 180864), (120, 173328), (128, 162495), (138, 150720), (144, 144440), (157, 132480), (160, 129996), (180, 115552), (184, 113040), (192, 108330), (207, 100480), (230, 90432), (240, 86664), (276, 75360), (288, 72220), (314, 66240), (320, 64998), (345, 60288), (360, 57776), (368, 56520), (384, 54165), (414, 50240), (460, 45216), (471, 44160), (480, 43332), (552, 37680), (576, 36110), (628, 33120), (640, 32499), (690, 30144), (720, 28888), (736, 28260), (785, 26496), (828, 25120), (920, 22608), (942, 22080), (960, 21666), (1035, 20096), (1104, 18840), (1152, 18055), (1256, 16560), (1380, 15072), (1413, 14720), (1440, 14444), (1472, 14130), (1570, 13248), (1656, 12560), (1840, 11304), (1884, 11040), (1920, 10833), (2070, 10048), (2208, 9420), (2355, 8832), (2512, 8280), (2760, 7536), (2826, 7360), (2880, 7222), (2944, 7065), (3140, 6624), (3312, 6280), (3611, 5760), (3680, 5652), (3768, 5520), (4140, 5024), (4416, 4710)]