20557648

素因数分解:

$2^4\times {\mathrm{719}}^1\times {\mathrm{1787}}^1$

素因数の和:2514

約数の個数: 20

約数和(自身を含む): 39908160

約数和(自身を除く): 19350512

約数列:

[1, 2, 4, 8, 16, 719, 1438, 1787, 2876, 3574, 5752, 7148, 11504, 14296, 28592, 1284853, 2569706, 5139412, 10278824, 20557648]

約数ペア:

[(1, 20557648), (2, 10278824), (4, 5139412), (8, 2569706), (16, 1284853), (719, 28592), (1438, 14296), (1787, 11504), (2876, 7148), (3574, 5752)]