20806533

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2879}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 33246720

約数和(自身を除く): 12440187

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2879, 7227, 8637, 25911, 31669, 95007, 210167, 285021, 630501, 1891503, 2311837, 6935511, 20806533]

約数ペア:

[(1, 20806533), (3, 6935511), (9, 2311837), (11, 1891503), (33, 630501), (73, 285021), (99, 210167), (219, 95007), (657, 31669), (803, 25911), (2409, 8637), (2879, 7227)]