20850606

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1303}}^1$

素因数の和:1445

約数の個数: 48

約数和(自身を含む): 52076544

約数和(自身を除く): 31225938

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1303, 1778, 2286, 2606, 2667, 3909, 5334, 7818, 8001, 9121, 11727, 16002, 18242, 23454, 27363, 54726, 82089, 164178, 165481, 330962, 496443, 992886, 1158367, 1489329, 2316734, 2978658, 3475101, 6950202, 10425303, 20850606]

約数ペア:

[(1, 20850606), (2, 10425303), (3, 6950202), (6, 3475101), (7, 2978658), (9, 2316734), (14, 1489329), (18, 1158367), (21, 992886), (42, 496443), (63, 330962), (126, 165481), (127, 164178), (254, 82089), (381, 54726), (762, 27363), (889, 23454), (1143, 18242), (1303, 16002), (1778, 11727), (2286, 9121), (2606, 8001), (2667, 7818), (3909, 5334)]