20811690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{231241}}^1$

素因数の和:231254

約数の個数: 24

約数和(自身を含む): 54110628

約数和(自身を除く): 33298938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 231241, 462482, 693723, 1156205, 1387446, 2081169, 2312410, 3468615, 4162338, 6937230, 10405845, 20811690]

約数ペア:

[(1, 20811690), (2, 10405845), (3, 6937230), (5, 4162338), (6, 3468615), (9, 2312410), (10, 2081169), (15, 1387446), (18, 1156205), (30, 693723), (45, 462482), (90, 231241)]