20874010

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4649}}^1$

素因数の和:5105

約数の個数: 16

約数和(自身を含む): 37665000

約数和(自身を除く): 16790990

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 4649, 9298, 23245, 46490, 2087401, 4174802, 10437005, 20874010]

約数ペア:

[(1, 20874010), (2, 10437005), (5, 4174802), (10, 2087401), (449, 46490), (898, 23245), (2245, 9298), (4490, 4649)]