20951326

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8737}}^1$

素因数の和:8859

約数の個数: 16

約数和(自身を含む): 34602480

約数和(自身を除く): 13651154

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8737, 17474, 96107, 192214, 952333, 1904666, 10475663, 20951326]

約数ペア:

[(1, 20951326), (2, 10475663), (11, 1904666), (22, 952333), (109, 192214), (218, 96107), (1199, 17474), (2398, 8737)]