20181661647

素因数分解:

$3^1\times 7^1\times {\mathrm{1579}}^1\times {\mathrm{608633}}^1$

素因数の和:610222

約数の個数: 16

約数和(自身を含む): 30772535040

約数和(自身を除く): 10590873393

約数列:

[1, 3, 7, 21, 1579, 4737, 11053, 33159, 608633, 1825899, 4260431, 12781293, 961031507, 2883094521, 6727220549, 20181661647]

約数ペア:

[(1, 20181661647), (3, 6727220549), (7, 2883094521), (21, 961031507), (1579, 12781293), (4737, 4260431), (11053, 1825899), (33159, 608633)]