20789838

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30013362

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 114, 138, 171, 207, 342, 414, 437, 513, 621, 874, 881, 1026, 1242, 1311, 1762, 2622, 2643, 3933, 5286, 7866, 7929, 11799, 15858, 16739, 20263, 23598, 23787, 33478, 40526, 47574, 50217, 60789, 100434, 121578, 150651, 182367, 301302, 364734, 384997, 451953, 547101, 769994, 903906, 1094202, 1154991, 2309982, 3464973, 6929946, 10394919, 20789838]

約数ペア:

[(1, 20789838), (2, 10394919), (3, 6929946), (6, 3464973), (9, 2309982), (18, 1154991), (19, 1094202), (23, 903906), (27, 769994), (38, 547101), (46, 451953), (54, 384997), (57, 364734), (69, 301302), (114, 182367), (138, 150651), (171, 121578), (207, 100434), (342, 60789), (414, 50217), (437, 47574), (513, 40526), (621, 33478), (874, 23787), (881, 23598), (1026, 20263), (1242, 16739), (1311, 15858), (1762, 11799), (2622, 7929), (2643, 7866), (3933, 5286)]