20549485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8689}}^1$

素因数の和:8748

約数の個数: 16

約数和(自身を含む): 27529920

約数和(自身を除く): 6980435

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8689, 43445, 95579, 373627, 477895, 1868135, 4109897, 20549485]

約数ペア:

[(1, 20549485), (5, 4109897), (11, 1868135), (43, 477895), (55, 373627), (215, 95579), (473, 43445), (2365, 8689)]