20778820161

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4010581}}^1$

素因数の和:4010752

約数の個数: 16

約数和(自身を含む): 30416253888

約数和(自身を除く): 9637433727

約数列:

[1, 3, 11, 33, 157, 471, 1727, 5181, 4010581, 12031743, 44116391, 132349173, 629661217, 1888983651, 6926273387, 20778820161]

約数ペア:

[(1, 20778820161), (3, 6926273387), (11, 1888983651), (33, 629661217), (157, 132349173), (471, 44116391), (1727, 12031743), (5181, 4010581)]