20606768

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14153}}^1$

素因数の和:14181

約数の個数: 40

約数和(自身を含む): 49142688

約数和(自身を除く): 28535920

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14153, 28306, 56612, 99071, 113224, 183989, 198142, 226448, 367978, 396284, 735956, 792568, 1287923, 1471912, 1585136, 2575846, 2943824, 5151692, 10303384, 20606768]

約数ペア:

[(1, 20606768), (2, 10303384), (4, 5151692), (7, 2943824), (8, 2575846), (13, 1585136), (14, 1471912), (16, 1287923), (26, 792568), (28, 735956), (52, 396284), (56, 367978), (91, 226448), (104, 198142), (112, 183989), (182, 113224), (208, 99071), (364, 56612), (728, 28306), (1456, 14153)]