13685020

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1759}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 15143780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1759, 1945, 3518, 3890, 7036, 7780, 8795, 17590, 35180, 684251, 1368502, 2737004, 3421255, 6842510, 13685020]

約数ペア:

[(1, 13685020), (2, 6842510), (4, 3421255), (5, 2737004), (10, 1368502), (20, 684251), (389, 35180), (778, 17590), (1556, 8795), (1759, 7780), (1945, 7036), (3518, 3890)]