20898212

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{701}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 38034360

約数和(自身を除く): 17136148

約数列:

[1, 2, 4, 29, 58, 116, 257, 514, 701, 1028, 1402, 2804, 7453, 14906, 20329, 29812, 40658, 81316, 180157, 360314, 720628, 5224553, 10449106, 20898212]

約数ペア:

[(1, 20898212), (2, 10449106), (4, 5224553), (29, 720628), (58, 360314), (116, 180157), (257, 81316), (514, 40658), (701, 29812), (1028, 20329), (1402, 14906), (2804, 7453)]