20480840

素因数分解:

$2^3\times 5^1\times {\mathrm{512021}}^1$

素因数の和:512032

約数の個数: 16

約数和(自身を含む): 46081980

約数和(自身を除く): 25601140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 512021, 1024042, 2048084, 2560105, 4096168, 5120210, 10240420, 20480840]

約数ペア:

[(1, 20480840), (2, 10240420), (4, 5120210), (5, 4096168), (8, 2560105), (10, 2048084), (20, 1024042), (40, 512021)]