20877070

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20269}}^1$

素因数の和:20379

約数の個数: 16

約数和(自身を含む): 37945440

約数和(自身を除く): 17068370

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 20269, 40538, 101345, 202690, 2087707, 4175414, 10438535, 20877070]

約数ペア:

[(1, 20877070), (2, 10438535), (5, 4175414), (10, 2087707), (103, 202690), (206, 101345), (515, 40538), (1030, 20269)]