20929335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4241}}^1$

素因数の和:4303

約数の個数: 32

約数和(自身を含む): 39094272

約数和(自身を除く): 18164937

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4241, 4935, 12723, 21205, 29687, 63615, 89061, 148435, 199327, 445305, 597981, 996635, 1395289, 2989905, 4185867, 6976445, 20929335]

約数ペア:

[(1, 20929335), (3, 6976445), (5, 4185867), (7, 2989905), (15, 1395289), (21, 996635), (35, 597981), (47, 445305), (105, 199327), (141, 148435), (235, 89061), (329, 63615), (705, 29687), (987, 21205), (1645, 12723), (4241, 4935)]