20814180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346903}}^1$

素因数の和:346915

約数の個数: 24

約数和(自身を含む): 58279872

約数和(自身を除く): 37465692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346903, 693806, 1040709, 1387612, 1734515, 2081418, 3469030, 4162836, 5203545, 6938060, 10407090, 20814180]

約数ペア:

[(1, 20814180), (2, 10407090), (3, 6938060), (4, 5203545), (5, 4162836), (6, 3469030), (10, 2081418), (12, 1734515), (15, 1387612), (20, 1040709), (30, 693806), (60, 346903)]