20851474

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1823}}^1$

素因数の和:1894

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 17671406

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 1823, 3646, 5719, 11438, 12761, 25522, 34637, 69274, 78389, 156778, 242459, 484918, 548723, 1097446, 1489391, 2978782, 10425737, 20851474]

約数ペア:

[(1, 20851474), (2, 10425737), (7, 2978782), (14, 1489391), (19, 1097446), (38, 548723), (43, 484918), (86, 242459), (133, 156778), (266, 78389), (301, 69274), (602, 34637), (817, 25522), (1634, 12761), (1823, 11438), (3646, 5719)]