20526572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7907}}^1$

素因数の和:7981

約数の個数: 24

約数和(自身を含む): 39856320

約数和(自身を除く): 19329748

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7907, 15814, 31628, 86977, 173954, 347908, 466513, 933026, 1866052, 5131643, 10263286, 20526572]

約数ペア:

[(1, 20526572), (2, 10263286), (4, 5131643), (11, 1866052), (22, 933026), (44, 466513), (59, 347908), (118, 173954), (236, 86977), (649, 31628), (1298, 15814), (2596, 7907)]