20591582

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21767}}^1$

素因数の和:21823

約数の個数: 16

約数和(自身を含む): 34480512

約数和(自身を除く): 13888930

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21767, 43534, 239437, 478874, 935981, 1871962, 10295791, 20591582]

約数ペア:

[(1, 20591582), (2, 10295791), (11, 1871962), (22, 935981), (43, 478874), (86, 239437), (473, 43534), (946, 21767)]