2005821776

素因数分解:

$2^4\times 7^1\times {\mathrm{17909123}}^1$

素因数の和:17909138

約数の個数: 20

約数和(自身を含む): 4441462752

約数和(自身を除く): 2435640976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 17909123, 35818246, 71636492, 125363861, 143272984, 250727722, 286545968, 501455444, 1002910888, 2005821776]

約数ペア:

[(1, 2005821776), (2, 1002910888), (4, 501455444), (7, 286545968), (8, 250727722), (14, 143272984), (16, 125363861), (28, 71636492), (56, 35818246), (112, 17909123)]