20498198

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63659}}^1$

素因数の和:63691

約数の個数: 16

約数和(自身を含む): 36668160

約数和(自身を除く): 16169962

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63659, 127318, 445613, 891226, 1464157, 2928314, 10249099, 20498198]

約数ペア:

[(1, 20498198), (2, 10249099), (7, 2928314), (14, 1464157), (23, 891226), (46, 445613), (161, 127318), (322, 63659)]