20807869138

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13635563}}^1$

素因数の和:13635681

約数の個数: 16

約数和(自身を含む): 35997888960

約数和(自身を除く): 15190019822

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13635563, 27271126, 95448941, 190897882, 1486276367, 2972552734, 10403934569, 20807869138]

約数ペア:

[(1, 20807869138), (2, 10403934569), (7, 2972552734), (14, 1486276367), (109, 190897882), (218, 95448941), (763, 27271126), (1526, 13635563)]