20740918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55457}}^1$

素因数の和:55487

約数の個数: 16

約数和(自身を含む): 35936784

約数和(自身を除く): 15195866

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 55457, 110914, 610027, 942769, 1220054, 1885538, 10370459, 20740918]

約数ペア:

[(1, 20740918), (2, 10370459), (11, 1885538), (17, 1220054), (22, 942769), (34, 610027), (187, 110914), (374, 55457)]