20685786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13627}}^1$

素因数の和:13666

約数の個数: 32

約数和(自身を含む): 47098368

約数和(自身を除く): 26412582

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13627, 27254, 40881, 81762, 149897, 299794, 313421, 449691, 626842, 899382, 940263, 1880526, 3447631, 6895262, 10342893, 20685786]

約数ペア:

[(1, 20685786), (2, 10342893), (3, 6895262), (6, 3447631), (11, 1880526), (22, 940263), (23, 899382), (33, 626842), (46, 449691), (66, 313421), (69, 299794), (138, 149897), (253, 81762), (506, 40881), (759, 27254), (1518, 13627)]