20161658868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{129241403}}^1$

素因数の和:129241423

約数の個数: 24

約数和(自身を含む): 50662630368

約数和(自身を除く): 30500971500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 129241403, 258482806, 387724209, 516965612, 775448418, 1550896836, 1680138239, 3360276478, 5040414717, 6720552956, 10080829434, 20161658868]

約数ペア:

[(1, 20161658868), (2, 10080829434), (3, 6720552956), (4, 5040414717), (6, 3360276478), (12, 1680138239), (13, 1550896836), (26, 775448418), (39, 516965612), (52, 387724209), (78, 258482806), (156, 129241403)]