20879474

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135581}}^1$

素因数の和:135601

約数の個数: 16

約数和(自身を含む): 39047616

約数和(自身を除く): 18168142

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135581, 271162, 949067, 1491391, 1898134, 2982782, 10439737, 20879474]

約数ペア:

[(1, 20879474), (2, 10439737), (7, 2982782), (11, 1898134), (14, 1491391), (22, 949067), (77, 271162), (154, 135581)]