20960540

素因数分解:

$2^2\times 5^1\times {\mathrm{1048027}}^1$

素因数の和:1048036

約数の個数: 12

約数和(自身を含む): 44017176

約数和(自身を除く): 23056636

約数列:

[1, 2, 4, 5, 10, 20, 1048027, 2096054, 4192108, 5240135, 10480270, 20960540]

約数ペア:

[(1, 20960540), (2, 10480270), (4, 5240135), (5, 4192108), (10, 2096054), (20, 1048027)]