20529146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21701}}^1$

素因数の和:21757

約数の個数: 16

約数和(自身を含む): 34375968

約数和(自身を除く): 13846822

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21701, 43402, 238711, 477422, 933143, 1866286, 10264573, 20529146]

約数ペア:

[(1, 20529146), (2, 10264573), (11, 1866286), (22, 933143), (43, 477422), (86, 238711), (473, 43402), (946, 21701)]