20790974316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1576507}}^1$

素因数の和:1576678

約数の個数: 48

約数和(自身を含む): 55795771136

約数和(自身を除く): 35004796820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1884, 2198, 3297, 4396, 6594, 13188, 1576507, 3153014, 4729521, 6306028, 9459042, 11035549, 18918084, 22071098, 33106647, 44142196, 66213294, 132426588, 247511599, 495023198, 742534797, 990046396, 1485069594, 1732581193, 2970139188, 3465162386, 5197743579, 6930324772, 10395487158, 20790974316]

約数ペア:

[(1, 20790974316), (2, 10395487158), (3, 6930324772), (4, 5197743579), (6, 3465162386), (7, 2970139188), (12, 1732581193), (14, 1485069594), (21, 990046396), (28, 742534797), (42, 495023198), (84, 247511599), (157, 132426588), (314, 66213294), (471, 44142196), (628, 33106647), (942, 22071098), (1099, 18918084), (1884, 11035549), (2198, 9459042), (3297, 6306028), (4396, 4729521), (6594, 3153014), (13188, 1576507)]