20568710

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4909}}^1$

素因数の和:5335

約数の個数: 16

約数和(自身を含む): 37119600

約数和(自身を除く): 16550890

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4909, 9818, 24545, 49090, 2056871, 4113742, 10284355, 20568710]

約数ペア:

[(1, 20568710), (2, 10284355), (5, 4113742), (10, 2056871), (419, 49090), (838, 24545), (2095, 9818), (4190, 4909)]