20406270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680209}}^1$

素因数の和:680219

約数の個数: 16

約数和(自身を含む): 48975120

約数和(自身を除く): 28568850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680209, 1360418, 2040627, 3401045, 4081254, 6802090, 10203135, 20406270]

約数ペア:

[(1, 20406270), (2, 10203135), (3, 6802090), (5, 4081254), (6, 3401045), (10, 2040627), (15, 1360418), (30, 680209)]