20919857277

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{761}}^1\times {\mathrm{6359}}^1$

素因数の和:7265

約数の個数: 32

約数和(自身を含む): 30706283520

約数和(自身を除く): 9786426243

約数列:

[1, 3, 11, 33, 131, 393, 761, 1441, 2283, 4323, 6359, 8371, 19077, 25113, 69949, 99691, 209847, 299073, 833029, 1096601, 2499087, 3289803, 4839199, 9163319, 14517597, 27489957, 53231189, 159693567, 633935069, 1901805207, 6973285759, 20919857277]

約数ペア:

[(1, 20919857277), (3, 6973285759), (11, 1901805207), (33, 633935069), (131, 159693567), (393, 53231189), (761, 27489957), (1441, 14517597), (2283, 9163319), (4323, 4839199), (6359, 3289803), (8371, 2499087), (19077, 1096601), (25113, 833029), (69949, 299073), (99691, 209847)]