20761648

素因数分解:

$2^4\times {\mathrm{1061}}^1\times {\mathrm{1223}}^1$

素因数の和:2292

約数の個数: 20

約数和(自身を含む): 40296528

約数和(自身を除く): 19534880

約数列:

[1, 2, 4, 8, 16, 1061, 1223, 2122, 2446, 4244, 4892, 8488, 9784, 16976, 19568, 1297603, 2595206, 5190412, 10380824, 20761648]

約数ペア:

[(1, 20761648), (2, 10380824), (4, 5190412), (8, 2595206), (16, 1297603), (1061, 19568), (1223, 16976), (2122, 9784), (2446, 8488), (4244, 4892)]