20408586

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{28111}}^1$

素因数の和:28138

約数の個数: 24

約数和(自身を含む): 44866752

約数和(自身を除く): 24458166

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 28111, 56222, 84333, 168666, 309221, 618442, 927663, 1855326, 3401431, 6802862, 10204293, 20408586]

約数ペア:

[(1, 20408586), (2, 10204293), (3, 6802862), (6, 3401431), (11, 1855326), (22, 927663), (33, 618442), (66, 309221), (121, 168666), (242, 84333), (363, 56222), (726, 28111)]