20819095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8803}}^1$

素因数の和:8862

約数の個数: 16

約数和(自身を含む): 27891072

約数和(自身を除く): 7071977

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8803, 44015, 96833, 378529, 484165, 1892645, 4163819, 20819095]

約数ペア:

[(1, 20819095), (5, 4163819), (11, 1892645), (43, 484165), (55, 378529), (215, 96833), (473, 44015), (2365, 8803)]