20669858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{3251}}^1$

素因数の和:3298

約数の個数: 24

約数和(自身を含む): 35941104

約数和(自身を除く): 15271246

約数列:

[1, 2, 11, 17, 22, 34, 187, 289, 374, 578, 3179, 3251, 6358, 6502, 35761, 55267, 71522, 110534, 607937, 939539, 1215874, 1879078, 10334929, 20669858]

約数ペア:

[(1, 20669858), (2, 10334929), (11, 1879078), (17, 1215874), (22, 939539), (34, 607937), (187, 110534), (289, 71522), (374, 55267), (578, 35761), (3179, 6502), (3251, 6358)]