20468816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75253}}^1$

素因数の和:75278

約数の個数: 20

約数和(自身を含む): 41991732

約数和(自身を除く): 21522916

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75253, 150506, 301012, 602024, 1204048, 1279301, 2558602, 5117204, 10234408, 20468816]

約数ペア:

[(1, 20468816), (2, 10234408), (4, 5117204), (8, 2558602), (16, 1279301), (17, 1204048), (34, 602024), (68, 301012), (136, 150506), (272, 75253)]