20184669

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2879}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 31449600

約数和(自身を除く): 11264931

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 2879, 7011, 8637, 25911, 54701, 118039, 164103, 354117, 492309, 1062351, 2242741, 6728223, 20184669]

約数ペア:

[(1, 20184669), (3, 6728223), (9, 2242741), (19, 1062351), (41, 492309), (57, 354117), (123, 164103), (171, 118039), (369, 54701), (779, 25911), (2337, 8637), (2879, 7011)]