381670220

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{18691}}^1$

素因数の和:19721

約数の個数: 24

約数和(自身を含む): 802335408

約数和(自身を除く): 420665188

約数列:

[1, 2, 4, 5, 10, 20, 1021, 2042, 4084, 5105, 10210, 18691, 20420, 37382, 74764, 93455, 186910, 373820, 19083511, 38167022, 76334044, 95417555, 190835110, 381670220]

約数ペア:

[(1, 381670220), (2, 190835110), (4, 95417555), (5, 76334044), (10, 38167022), (20, 19083511), (1021, 373820), (2042, 186910), (4084, 93455), (5105, 74764), (10210, 37382), (18691, 20420)]