20646660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344111}}^1$

素因数の和:344123

約数の個数: 24

約数和(自身を含む): 57810816

約数和(自身を除く): 37164156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344111, 688222, 1032333, 1376444, 1720555, 2064666, 3441110, 4129332, 5161665, 6882220, 10323330, 20646660]

約数ペア:

[(1, 20646660), (2, 10323330), (3, 6882220), (4, 5161665), (5, 4129332), (6, 3441110), (10, 2064666), (12, 1720555), (15, 1376444), (20, 1032333), (30, 688222), (60, 344111)]