2018132020

素因数分解:

$2^2\times 5^1\times {\mathrm{11161}}^1\times {\mathrm{9041}}^1$

素因数の和:20211

約数の個数: 24

約数和(自身を含む): 4238925768

約数和(自身を除く): 2220793748

約数列:

[1, 2, 4, 5, 10, 20, 9041, 11161, 18082, 22322, 36164, 44644, 45205, 55805, 90410, 111610, 180820, 223220, 100906601, 201813202, 403626404, 504533005, 1009066010, 2018132020]

約数ペア:

[(1, 2018132020), (2, 1009066010), (4, 504533005), (5, 403626404), (10, 201813202), (20, 100906601), (9041, 223220), (11161, 180820), (18082, 111610), (22322, 90410), (36164, 55805), (44644, 45205)]