20881322

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135593}}^1$

素因数の和:135613

約数の個数: 16

約数和(自身を含む): 39051072

約数和(自身を除く): 18169750

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135593, 271186, 949151, 1491523, 1898302, 2983046, 10440661, 20881322]

約数ペア:

[(1, 20881322), (2, 10440661), (7, 2983046), (11, 1898302), (14, 1491523), (22, 949151), (77, 271186), (154, 135593)]