20570235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{195907}}^1$

素因数の和:195922

約数の個数: 16

約数和(自身を含む): 37614336

約数和(自身を除く): 17044101

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 195907, 587721, 979535, 1371349, 2938605, 4114047, 6856745, 20570235]

約数ペア:

[(1, 20570235), (3, 6856745), (5, 4114047), (7, 2938605), (15, 1371349), (21, 979535), (35, 587721), (105, 195907)]