20471108

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5581}}^1$

素因数の和:5723

約数の個数: 24

約数和(自身を含む): 41262144

約数和(自身を除く): 20791036

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5581, 11162, 22324, 39067, 78134, 156268, 731111, 1462222, 2924444, 5117777, 10235554, 20471108]

約数ペア:

[(1, 20471108), (2, 10235554), (4, 5117777), (7, 2924444), (14, 1462222), (28, 731111), (131, 156268), (262, 78134), (524, 39067), (917, 22324), (1834, 11162), (3668, 5581)]