20748896

素因数分解:

$2^5\times 7^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 47013120

約数和(自身を除く): 26264224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 211, 224, 422, 439, 844, 878, 1477, 1688, 1756, 2954, 3073, 3376, 3512, 5908, 6146, 6752, 7024, 11816, 12292, 14048, 23632, 24584, 47264, 49168, 92629, 98336, 185258, 370516, 648403, 741032, 1296806, 1482064, 2593612, 2964128, 5187224, 10374448, 20748896]

約数ペア:

[(1, 20748896), (2, 10374448), (4, 5187224), (7, 2964128), (8, 2593612), (14, 1482064), (16, 1296806), (28, 741032), (32, 648403), (56, 370516), (112, 185258), (211, 98336), (224, 92629), (422, 49168), (439, 47264), (844, 24584), (878, 23632), (1477, 14048), (1688, 12292), (1756, 11816), (2954, 7024), (3073, 6752), (3376, 6146), (3512, 5908)]