20780162

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21601}}^1$

素因数の和:21653

約数の個数: 16

約数和(自身を含む): 34476792

約数和(自身を除く): 13696630

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21601, 43202, 280813, 561626, 799237, 1598474, 10390081, 20780162]

約数ペア:

[(1, 20780162), (2, 10390081), (13, 1598474), (26, 799237), (37, 561626), (74, 280813), (481, 43202), (962, 21601)]