20120670857

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1\times {\mathrm{41221}}^1$

素因数の和:42008

約数の個数: 16

約数和(自身を含む): 23253165312

約数和(自身を除く): 3132494455

約数列:

[1, 7, 103, 677, 721, 4739, 41221, 69731, 288547, 488117, 4245763, 27906617, 29720341, 195346319, 2874381551, 20120670857]

約数ペア:

[(1, 20120670857), (7, 2874381551), (103, 195346319), (677, 29720341), (721, 27906617), (4739, 4245763), (41221, 488117), (69731, 288547)]