20505090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683503}}^1$

素因数の和:683513

約数の個数: 16

約数和(自身を含む): 49212288

約数和(自身を除く): 28707198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683503, 1367006, 2050509, 3417515, 4101018, 6835030, 10252545, 20505090]

約数ペア:

[(1, 20505090), (2, 10252545), (3, 6835030), (5, 4101018), (6, 3417515), (10, 2050509), (15, 1367006), (30, 683503)]