20889242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13007}}^1$

素因数の和:13093

約数の個数: 16

約数和(自身を含む): 34653312

約数和(自身を除く): 13764070

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 13007, 26014, 143077, 286154, 949511, 1899022, 10444621, 20889242]

約数ペア:

[(1, 20889242), (2, 10444621), (11, 1899022), (22, 949511), (73, 286154), (146, 143077), (803, 26014), (1606, 13007)]