20318977504

素因数分解:

$2^5\times 7^1\times {\mathrm{1307}}^1\times {\mathrm{69403}}^1$

素因数の和:70727

約数の個数: 48

約数和(自身を含む): 45753337728

約数和(自身を除く): 25434360224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1307, 2614, 5228, 9149, 10456, 18298, 20912, 36596, 41824, 69403, 73192, 138806, 146384, 277612, 292768, 485821, 555224, 971642, 1110448, 1943284, 2220896, 3886568, 7773136, 15546272, 90709721, 181419442, 362838884, 634968047, 725677768, 1269936094, 1451355536, 2539872188, 2902711072, 5079744376, 10159488752, 20318977504]

約数ペア:

[(1, 20318977504), (2, 10159488752), (4, 5079744376), (7, 2902711072), (8, 2539872188), (14, 1451355536), (16, 1269936094), (28, 725677768), (32, 634968047), (56, 362838884), (112, 181419442), (224, 90709721), (1307, 15546272), (2614, 7773136), (5228, 3886568), (9149, 2220896), (10456, 1943284), (18298, 1110448), (20912, 971642), (36596, 555224), (41824, 485821), (69403, 292768), (73192, 277612), (138806, 146384)]