20803475919

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{7489}}^1$

素因数の和:7959

約数の個数: 32

約数和(自身を含む): 29267804160

約数和(自身を除く): 8464328241

約数列:

[1, 3, 23, 69, 127, 317, 381, 951, 2921, 7291, 7489, 8763, 21873, 22467, 40259, 120777, 172247, 516741, 925957, 951103, 2374013, 2777871, 2853309, 7122039, 21875369, 54602299, 65626107, 163806897, 301499651, 904498953, 6934491973, 20803475919]

約数ペア:

[(1, 20803475919), (3, 6934491973), (23, 904498953), (69, 301499651), (127, 163806897), (317, 65626107), (381, 54602299), (951, 21875369), (2921, 7122039), (7291, 2853309), (7489, 2777871), (8763, 2374013), (21873, 951103), (22467, 925957), (40259, 516741), (120777, 172247)]