20149581

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1069}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 27597440

約数和(自身を除く): 7447859

約数列:

[1, 3, 61, 103, 183, 309, 1069, 3207, 6283, 18849, 65209, 110107, 195627, 330321, 6716527, 20149581]

約数ペア:

[(1, 20149581), (3, 6716527), (61, 330321), (103, 195627), (183, 110107), (309, 65209), (1069, 18849), (3207, 6283)]