20233553517

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 31297964544

約数和(自身を除く): 11064411027

約数列:

[1, 3, 9, 27, 71, 81, 107, 131, 213, 251, 321, 393, 639, 753, 963, 1179, 1917, 2259, 2889, 3537, 5751, 6777, 7597, 8667, 9301, 10611, 14017, 17821, 20331, 22791, 26857, 27903, 32881, 42051, 53463, 68373, 80571, 83709, 98643, 126153, 160389, 205119, 241713, 251127, 295929, 378459, 481167, 615357, 725139, 753381, 887787, 995207, 1135377, 1443501, 1906847, 2175417, 2334551, 2663361, 2985621, 3518267, 5720541, 7003653, 8956863, 10554801, 17161623, 21010959, 26870589, 31664403, 51484869, 63032877, 80611767, 94993209, 154454607, 189098631, 249796957, 284979627, 749390871, 2248172613, 6744517839, 20233553517]

約数ペア:

[(1, 20233553517), (3, 6744517839), (9, 2248172613), (27, 749390871), (71, 284979627), (81, 249796957), (107, 189098631), (131, 154454607), (213, 94993209), (251, 80611767), (321, 63032877), (393, 51484869), (639, 31664403), (753, 26870589), (963, 21010959), (1179, 17161623), (1917, 10554801), (2259, 8956863), (2889, 7003653), (3537, 5720541), (5751, 3518267), (6777, 2985621), (7597, 2663361), (8667, 2334551), (9301, 2175417), (10611, 1906847), (14017, 1443501), (17821, 1135377), (20331, 995207), (22791, 887787), (26857, 753381), (27903, 725139), (32881, 615357), (42051, 481167), (53463, 378459), (68373, 295929), (80571, 251127), (83709, 241713), (98643, 205119), (126153, 160389)]