20126870523

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{881}}^1\times {\mathrm{2153}}^1$

素因数の和:3177

約数の個数: 40

約数和(自身を含む): 30344052816

約数和(自身を除く): 10217182293

約数列:

[1, 3, 9, 27, 81, 131, 393, 881, 1179, 2153, 2643, 3537, 6459, 7929, 10611, 19377, 23787, 58131, 71361, 115411, 174393, 282043, 346233, 846129, 1038699, 1896793, 2538387, 3116097, 5690379, 7615161, 9348291, 17071137, 22845483, 51213411, 153640233, 248479883, 745439649, 2236318947, 6708956841, 20126870523]

約数ペア:

[(1, 20126870523), (3, 6708956841), (9, 2236318947), (27, 745439649), (81, 248479883), (131, 153640233), (393, 51213411), (881, 22845483), (1179, 17071137), (2153, 9348291), (2643, 7615161), (3537, 5690379), (6459, 3116097), (7929, 2538387), (10611, 1896793), (19377, 1038699), (23787, 846129), (58131, 346233), (71361, 282043), (115411, 174393)]