20189284

素因数分解:

$2^2\times {\mathrm{1223}}^1\times {\mathrm{4127}}^1$

素因数の和:5354

約数の個数: 12

約数和(自身を含む): 35368704

約数和(自身を除く): 15179420

約数列:

[1, 2, 4, 1223, 2446, 4127, 4892, 8254, 16508, 5047321, 10094642, 20189284]

約数ペア:

[(1, 20189284), (2, 10094642), (4, 5047321), (1223, 16508), (2446, 8254), (4127, 4892)]