20565751107

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{886493}}^1$

素因数の和:886563

約数の個数: 32

約数和(自身を含む): 32339301120

約数和(自身を除く): 11773550013

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1221, 2109, 7733, 23199, 886493, 2659479, 9751423, 16843367, 29254269, 32800241, 50530101, 98400723, 185277037, 360802651, 555831111, 623204579, 1082407953, 1869613737, 6855250369, 20565751107]

約数ペア:

[(1, 20565751107), (3, 6855250369), (11, 1869613737), (19, 1082407953), (33, 623204579), (37, 555831111), (57, 360802651), (111, 185277037), (209, 98400723), (407, 50530101), (627, 32800241), (703, 29254269), (1221, 16843367), (2109, 9751423), (7733, 2659479), (23199, 886493)]