20405670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680189}}^1$

素因数の和:680199

約数の個数: 16

約数和(自身を含む): 48973680

約数和(自身を除く): 28568010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680189, 1360378, 2040567, 3400945, 4081134, 6801890, 10202835, 20405670]

約数ペア:

[(1, 20405670), (2, 10202835), (3, 6801890), (5, 4081134), (6, 3400945), (10, 2040567), (15, 1360378), (30, 680189)]