20902893

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8677}}^1$

素因数の和:8764

約数の個数: 16

約数和(自身を含む): 30824256

約数和(自身を除く): 9921363

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8677, 26031, 95447, 286341, 633421, 1900263, 6967631, 20902893]

約数ペア:

[(1, 20902893), (3, 6967631), (11, 1900263), (33, 633421), (73, 286341), (219, 95447), (803, 26031), (2409, 8677)]