16993840

素因数分解:

$2^4\times 5^1\times {\mathrm{212423}}^1$

素因数の和:212436

約数の個数: 20

約数和(自身を含む): 39510864

約数和(自身を除く): 22517024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 212423, 424846, 849692, 1062115, 1699384, 2124230, 3398768, 4248460, 8496920, 16993840]

約数ペア:

[(1, 16993840), (2, 8496920), (4, 4248460), (5, 3398768), (8, 2124230), (10, 1699384), (16, 1062115), (20, 849692), (40, 424846), (80, 212423)]