20740804556

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1783}}^1\times {\mathrm{67631}}^1$

素因数の和:69461

約数の個数: 24

約数和(自身を含む): 37161890304

約数和(自身を除く): 16421085748

約数列:

[1, 2, 4, 43, 86, 172, 1783, 3566, 7132, 67631, 76669, 135262, 153338, 270524, 306676, 2908133, 5816266, 11632532, 120586073, 241172146, 482344292, 5185201139, 10370402278, 20740804556]

約数ペア:

[(1, 20740804556), (2, 10370402278), (4, 5185201139), (43, 482344292), (86, 241172146), (172, 120586073), (1783, 11632532), (3566, 5816266), (7132, 2908133), (67631, 306676), (76669, 270524), (135262, 153338)]