20782638

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{11903}}^1$

素因数の和:12008

約数の個数: 24

約数和(自身を含む): 45497088

約数和(自身を除く): 24714450

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 11903, 23806, 35709, 71418, 107127, 214254, 1154591, 2309182, 3463773, 6927546, 10391319, 20782638]

約数ペア:

[(1, 20782638), (2, 10391319), (3, 6927546), (6, 3463773), (9, 2309182), (18, 1154591), (97, 214254), (194, 107127), (291, 71418), (582, 35709), (873, 23806), (1746, 11903)]