20881446

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20117}}^1$

素因数の和:20295

約数の個数: 16

約数和(自身を含む): 42006384

約数和(自身を除く): 21124938

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20117, 40234, 60351, 120702, 3480241, 6960482, 10440723, 20881446]

約数ペア:

[(1, 20881446), (2, 10440723), (3, 6960482), (6, 3480241), (173, 120702), (346, 60351), (519, 40234), (1038, 20117)]