20378078

素因数分解:

$2^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2053}}^1$

素因数の和:2771

約数の個数: 16

約数和(自身を含む): 35000160

約数和(自身を除く): 14622082

約数列:

[1, 2, 7, 14, 709, 1418, 2053, 4106, 4963, 9926, 14371, 28742, 1455577, 2911154, 10189039, 20378078]

約数ペア:

[(1, 20378078), (2, 10189039), (7, 2911154), (14, 1455577), (709, 28742), (1418, 14371), (2053, 9926), (4106, 4963)]