20646057

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{773}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 7960983

約数列:

[1, 3, 29, 87, 307, 773, 921, 2319, 8903, 22417, 26709, 67251, 237311, 711933, 6882019, 20646057]

約数ペア:

[(1, 20646057), (3, 6882019), (29, 711933), (87, 237311), (307, 67251), (773, 26709), (921, 22417), (2319, 8903)]