20813155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13049}}^1$

素因数の和:13094

約数の個数: 16

約数和(自身を含む): 28188000

約数和(自身を除く): 7374845

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 13049, 65245, 143539, 378421, 717695, 1892105, 4162631, 20813155]

約数ペア:

[(1, 20813155), (5, 4162631), (11, 1892105), (29, 717695), (55, 378421), (145, 143539), (319, 65245), (1595, 13049)]