20204555

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3823}}^1$

素因数の和:3986

約数の個数: 16

約数和(自身を含む): 27899904

約数和(自身を除く): 7695349

約数列:

[1, 5, 7, 35, 151, 755, 1057, 3823, 5285, 19115, 26761, 133805, 577273, 2886365, 4040911, 20204555]

約数ペア:

[(1, 20204555), (5, 4040911), (7, 2886365), (35, 577273), (151, 133805), (755, 26761), (1057, 19115), (3823, 5285)]