2017689020

素因数分解:

$2^2\times 5^1\times {\mathrm{100884451}}^1$

素因数の和:100884460

約数の個数: 12

約数和(自身を含む): 4237146984

約数和(自身を除く): 2219457964

約数列:

[1, 2, 4, 5, 10, 20, 100884451, 201768902, 403537804, 504422255, 1008844510, 2017689020]

約数ペア:

[(1, 2017689020), (2, 1008844510), (4, 504422255), (5, 403537804), (10, 201768902), (20, 100884451)]