20542119

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 30638592

約数和(自身を除く): 10096473

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 1307, 3921, 5239, 15717, 16991, 40517, 50973, 121551, 220883, 526721, 662649, 1580163, 6847373, 20542119]

約数ペア:

[(1, 20542119), (3, 6847373), (13, 1580163), (31, 662649), (39, 526721), (93, 220883), (169, 121551), (403, 50973), (507, 40517), (1209, 16991), (1307, 15717), (3921, 5239)]