20255146

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:809

約数の個数: 16

約数和(自身を含む): 30899880

約数和(自身を除く): 10644734

約数列:

[1, 2, 101, 197, 202, 394, 509, 1018, 19897, 39794, 51409, 100273, 102818, 200546, 10127573, 20255146]

約数ペア:

[(1, 20255146), (2, 10127573), (101, 200546), (197, 102818), (202, 100273), (394, 51409), (509, 39794), (1018, 19897)]