20843982

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 47445840

約数和(自身を除く): 26601858

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 73, 87, 146, 174, 219, 261, 438, 522, 547, 657, 1094, 1314, 1641, 2117, 3282, 4234, 4923, 6351, 9846, 12702, 15863, 19053, 31726, 38106, 39931, 47589, 79862, 95178, 119793, 142767, 239586, 285534, 359379, 718758, 1157999, 2315998, 3473997, 6947994, 10421991, 20843982]

約数ペア:

[(1, 20843982), (2, 10421991), (3, 6947994), (6, 3473997), (9, 2315998), (18, 1157999), (29, 718758), (58, 359379), (73, 285534), (87, 239586), (146, 142767), (174, 119793), (219, 95178), (261, 79862), (438, 47589), (522, 39931), (547, 38106), (657, 31726), (1094, 19053), (1314, 15863), (1641, 12702), (2117, 9846), (3282, 6351), (4234, 4923)]