20485777797

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:936

約数の個数: 80

約数和(自身を含む): 32072705280

約数和(自身を除く): 11586927483

約数列:

[1, 3, 9, 27, 41, 79, 81, 113, 123, 237, 339, 369, 691, 711, 1017, 1107, 2073, 2133, 3051, 3239, 3321, 4633, 6219, 6399, 8927, 9153, 9717, 13899, 18657, 26781, 28331, 29151, 41697, 54589, 55971, 78083, 80343, 84993, 87453, 125091, 163767, 234249, 241029, 254979, 262359, 366007, 375273, 491301, 702747, 723087, 764937, 1098021, 1473903, 2108241, 2238149, 2294811, 3201403, 3294063, 4421709, 6168557, 6324723, 6714447, 9604209, 9882189, 18505671, 20143341, 28812627, 29646567, 55517013, 60430023, 86437881, 166551039, 181290069, 252910837, 259313643, 499653117, 758732511, 2276197533, 6828592599, 20485777797]

約数ペア:

[(1, 20485777797), (3, 6828592599), (9, 2276197533), (27, 758732511), (41, 499653117), (79, 259313643), (81, 252910837), (113, 181290069), (123, 166551039), (237, 86437881), (339, 60430023), (369, 55517013), (691, 29646567), (711, 28812627), (1017, 20143341), (1107, 18505671), (2073, 9882189), (2133, 9604209), (3051, 6714447), (3239, 6324723), (3321, 6168557), (4633, 4421709), (6219, 3294063), (6399, 3201403), (8927, 2294811), (9153, 2238149), (9717, 2108241), (13899, 1473903), (18657, 1098021), (26781, 764937), (28331, 723087), (29151, 702747), (41697, 491301), (54589, 375273), (55971, 366007), (78083, 262359), (80343, 254979), (84993, 241029), (87453, 234249), (125091, 163767)]