20156883290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87638623}}^1$

素因数の和:87638653

約数の個数: 16

約数和(自身を含む): 37859885568

約数和(自身を除く): 17703002278

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87638623, 175277246, 438193115, 876386230, 2015688329, 4031376658, 10078441645, 20156883290]

約数ペア:

[(1, 20156883290), (2, 10078441645), (5, 4031376658), (10, 2015688329), (23, 876386230), (46, 438193115), (115, 175277246), (230, 87638623)]