20881788

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{32833}}^1$

素因数の和:32893

約数の個数: 24

約数和(自身を含む): 49645008

約数和(自身を除く): 28763220

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 32833, 65666, 98499, 131332, 196998, 393996, 1740149, 3480298, 5220447, 6960596, 10440894, 20881788]

約数ペア:

[(1, 20881788), (2, 10440894), (3, 6960596), (4, 5220447), (6, 3480298), (12, 1740149), (53, 393996), (106, 196998), (159, 131332), (212, 98499), (318, 65666), (636, 32833)]