20320884

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3463}}^1$

素因数の和:3636

約数の個数: 36

約数和(自身を含む): 51696736

約数和(自身を除く): 31375852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3463, 5868, 6926, 10389, 13852, 20778, 31167, 41556, 62334, 124668, 564469, 1128938, 1693407, 2257876, 3386814, 5080221, 6773628, 10160442, 20320884]

約数ペア:

[(1, 20320884), (2, 10160442), (3, 6773628), (4, 5080221), (6, 3386814), (9, 2257876), (12, 1693407), (18, 1128938), (36, 564469), (163, 124668), (326, 62334), (489, 41556), (652, 31167), (978, 20778), (1467, 13852), (1956, 10389), (2934, 6926), (3463, 5868)]