15220016

素因数分解:

$2^4\times 7^1\times {\mathrm{135893}}^1$

素因数の和:135908

約数の個数: 20

約数和(自身を含む): 33701712

約数和(自身を除く): 18481696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 135893, 271786, 543572, 951251, 1087144, 1902502, 2174288, 3805004, 7610008, 15220016]

約数ペア:

[(1, 15220016), (2, 7610008), (4, 3805004), (7, 2174288), (8, 1902502), (14, 1087144), (16, 951251), (28, 543572), (56, 271786), (112, 135893)]