20199803121

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1361081}}^1$

素因数の和:1361201

約数の個数: 24

約数和(自身を含む): 31212332424

約数和(自身を除く): 11012529303

約数列:

[1, 3, 9, 17, 51, 97, 153, 291, 873, 1649, 4947, 14841, 1361081, 4083243, 12249729, 23138377, 69415131, 132024857, 208245393, 396074571, 1188223713, 2244422569, 6733267707, 20199803121]

約数ペア:

[(1, 20199803121), (3, 6733267707), (9, 2244422569), (17, 1188223713), (51, 396074571), (97, 208245393), (153, 132024857), (291, 69415131), (873, 23138377), (1649, 12249729), (4947, 4083243), (14841, 1361081)]