20995296

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 63705600

約数和(自身を除く): 42710304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 157, 168, 199, 224, 314, 336, 398, 471, 597, 628, 672, 796, 942, 1099, 1194, 1256, 1393, 1592, 1884, 2198, 2388, 2512, 2786, 3184, 3297, 3768, 4179, 4396, 4776, 5024, 5572, 6368, 6594, 7536, 8358, 8792, 9552, 11144, 13188, 15072, 16716, 17584, 19104, 22288, 26376, 31243, 33432, 35168, 44576, 52752, 62486, 66864, 93729, 105504, 124972, 133728, 187458, 218701, 249944, 374916, 437402, 499888, 656103, 749832, 874804, 999776, 1312206, 1499664, 1749608, 2624412, 2999328, 3499216, 5248824, 6998432, 10497648, 20995296]

約数ペア:

[(1, 20995296), (2, 10497648), (3, 6998432), (4, 5248824), (6, 3499216), (7, 2999328), (8, 2624412), (12, 1749608), (14, 1499664), (16, 1312206), (21, 999776), (24, 874804), (28, 749832), (32, 656103), (42, 499888), (48, 437402), (56, 374916), (84, 249944), (96, 218701), (112, 187458), (157, 133728), (168, 124972), (199, 105504), (224, 93729), (314, 66864), (336, 62486), (398, 52752), (471, 44576), (597, 35168), (628, 33432), (672, 31243), (796, 26376), (942, 22288), (1099, 19104), (1194, 17584), (1256, 16716), (1393, 15072), (1592, 13188), (1884, 11144), (2198, 9552), (2388, 8792), (2512, 8358), (2786, 7536), (3184, 6594), (3297, 6368), (3768, 5572), (4179, 5024), (4396, 4776)]