20563202

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21737}}^1$

素因数の和:21793

約数の個数: 16

約数和(自身を含む): 34432992

約数和(自身を除く): 13869790

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21737, 43474, 239107, 478214, 934691, 1869382, 10281601, 20563202]

約数ペア:

[(1, 20563202), (2, 10281601), (11, 1869382), (22, 934691), (43, 478214), (86, 239107), (473, 43474), (946, 21737)]