20654018

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3119}}^1$

素因数の和:3182

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 18882622

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 3119, 3311, 6238, 6622, 21833, 34309, 43666, 68618, 134117, 240163, 268234, 480326, 938819, 1475287, 1877638, 2950574, 10327009, 20654018]

約数ペア:

[(1, 20654018), (2, 10327009), (7, 2950574), (11, 1877638), (14, 1475287), (22, 938819), (43, 480326), (77, 268234), (86, 240163), (154, 134117), (301, 68618), (473, 43666), (602, 34309), (946, 21833), (3119, 6622), (3311, 6238)]