20794263

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1433}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 31754496

約数和(自身を除く): 10960233

約数列:

[1, 3, 7, 21, 691, 1433, 2073, 4299, 4837, 10031, 14511, 30093, 990203, 2970609, 6931421, 20794263]

約数ペア:

[(1, 20794263), (3, 6931421), (7, 2970609), (21, 990203), (691, 30093), (1433, 14511), (2073, 10031), (4299, 4837)]