20539208

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{59707}}^1$

素因数の和:59756

約数の個数: 16

約数和(自身を含む): 39407280

約数和(自身を除く): 18868072

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 59707, 119414, 238828, 477656, 2567401, 5134802, 10269604, 20539208]

約数ペア:

[(1, 20539208), (2, 10269604), (4, 5134802), (8, 2567401), (43, 477656), (86, 238828), (172, 119414), (344, 59707)]