20979564

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102841}}^1$

素因数の和:102865

約数の個数: 24

約数和(自身を含む): 51832368

約数和(自身を除く): 30852804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102841, 205682, 308523, 411364, 617046, 1234092, 1748297, 3496594, 5244891, 6993188, 10489782, 20979564]

約数ペア:

[(1, 20979564), (2, 10489782), (3, 6993188), (4, 5244891), (6, 3496594), (12, 1748297), (17, 1234092), (34, 617046), (51, 411364), (68, 308523), (102, 205682), (204, 102841)]