20204755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{509}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 25777440

約数和(自身を除く): 5572685

約数列:

[1, 5, 17, 85, 467, 509, 2335, 2545, 7939, 8653, 39695, 43265, 237703, 1188515, 4040951, 20204755]

約数ペア:

[(1, 20204755), (5, 4040951), (17, 1188515), (85, 237703), (467, 43265), (509, 39695), (2335, 8653), (2545, 7939)]