20079818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12503}}^1$

素因数の和:12589

約数の個数: 16

約数和(自身を含む): 33310656

約数和(自身を除く): 13230838

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12503, 25006, 137533, 275066, 912719, 1825438, 10039909, 20079818]

約数ペア:

[(1, 20079818), (2, 10039909), (11, 1825438), (22, 912719), (73, 275066), (146, 137533), (803, 25006), (1606, 12503)]