20101554

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 49927680

約数和(自身を除く): 29826126

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 198, 258, 297, 387, 473, 594, 774, 787, 946, 1161, 1419, 1574, 2322, 2361, 2838, 4257, 4722, 7083, 8514, 8657, 12771, 14166, 17314, 21249, 25542, 25971, 33841, 42498, 51942, 67682, 77913, 101523, 155826, 203046, 233739, 304569, 372251, 467478, 609138, 744502, 913707, 1116753, 1827414, 2233506, 3350259, 6700518, 10050777, 20101554]

約数ペア:

[(1, 20101554), (2, 10050777), (3, 6700518), (6, 3350259), (9, 2233506), (11, 1827414), (18, 1116753), (22, 913707), (27, 744502), (33, 609138), (43, 467478), (54, 372251), (66, 304569), (86, 233739), (99, 203046), (129, 155826), (198, 101523), (258, 77913), (297, 67682), (387, 51942), (473, 42498), (594, 33841), (774, 25971), (787, 25542), (946, 21249), (1161, 17314), (1419, 14166), (1574, 12771), (2322, 8657), (2361, 8514), (2838, 7083), (4257, 4722)]