20196472541

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21693311}}^1$

素因数の和:21693344

約数の個数: 12

約数和(自身を含む): 24730375680

約数和(自身を除く): 4533903139

約数列:

[1, 7, 19, 49, 133, 931, 21693311, 151853177, 412172909, 1062972239, 2885210363, 20196472541]

約数ペア:

[(1, 20196472541), (7, 2885210363), (19, 1062972239), (49, 412172909), (133, 151853177), (931, 21693311)]