20670258

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 48492864

約数和(自身を除く): 27822606

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 167, 294, 334, 421, 501, 842, 1002, 1169, 1263, 2338, 2526, 2947, 3507, 5894, 7014, 8183, 8841, 16366, 17682, 20629, 24549, 41258, 49098, 61887, 70307, 123774, 140614, 210921, 421842, 492149, 984298, 1476447, 2952894, 3445043, 6890086, 10335129, 20670258]

約数ペア:

[(1, 20670258), (2, 10335129), (3, 6890086), (6, 3445043), (7, 2952894), (14, 1476447), (21, 984298), (42, 492149), (49, 421842), (98, 210921), (147, 140614), (167, 123774), (294, 70307), (334, 61887), (421, 49098), (501, 41258), (842, 24549), (1002, 20629), (1169, 17682), (1263, 16366), (2338, 8841), (2526, 8183), (2947, 7014), (3507, 5894)]