20153290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87623}}^1$

素因数の和:87653

約数の個数: 16

約数和(自身を含む): 37853568

約数和(自身を除く): 17700278

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87623, 175246, 438115, 876230, 2015329, 4030658, 10076645, 20153290]

約数ペア:

[(1, 20153290), (2, 10076645), (5, 4030658), (10, 2015329), (23, 876230), (46, 438115), (115, 175246), (230, 87623)]