20620259

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 23673600

約数和(自身を除く): 3053341

約数列:

[1, 11, 23, 149, 253, 547, 1639, 3427, 6017, 12581, 37697, 81503, 138391, 896533, 1874569, 20620259]

約数ペア:

[(1, 20620259), (11, 1874569), (23, 896533), (149, 138391), (253, 81503), (547, 37697), (1639, 12581), (3427, 6017)]