20747086

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1447}}^1$

素因数の和:1623

約数の個数: 16

約数和(自身を含む): 31902336

約数和(自身を除く): 11155250

約数列:

[1, 2, 67, 107, 134, 214, 1447, 2894, 7169, 14338, 96949, 154829, 193898, 309658, 10373543, 20747086]

約数ペア:

[(1, 20747086), (2, 10373543), (67, 309658), (107, 193898), (134, 154829), (214, 96949), (1447, 14338), (2894, 7169)]