20546740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25057}}^1$

素因数の和:25107

約数の個数: 24

約数和(自身を含む): 44202312

約数和(自身を除く): 23655572

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 25057, 50114, 100228, 125285, 250570, 501140, 1027337, 2054674, 4109348, 5136685, 10273370, 20546740]

約数ペア:

[(1, 20546740), (2, 10273370), (4, 5136685), (5, 4109348), (10, 2054674), (20, 1027337), (41, 501140), (82, 250570), (164, 125285), (205, 100228), (410, 50114), (820, 25057)]