20071513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{563}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 25122816

約数和(自身を除く): 5051303

約数列:

[1, 7, 11, 77, 463, 563, 3241, 3941, 5093, 6193, 35651, 43351, 260669, 1824683, 2867359, 20071513]

約数ペア:

[(1, 20071513), (7, 2867359), (11, 1824683), (77, 260669), (463, 43351), (563, 35651), (3241, 6193), (3941, 5093)]