2016202689

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{620561}}^1$

素因数の和:620605

約数の個数: 18

約数和(自身を含む): 3073643586

約数和(自身を除く): 1057440897

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 620561, 1861683, 5585049, 11790659, 35371977, 106115931, 224022521, 672067563, 2016202689]

約数ペア:

[(1, 2016202689), (3, 672067563), (9, 224022521), (19, 106115931), (57, 35371977), (171, 11790659), (361, 5585049), (1083, 1861683), (3249, 620561)]