20125964243

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{26431}}^1$

素因数の和:26520

約数の個数: 48

約数和(自身を含む): 26998702080

約数和(自身を除く): 6872737837

約数列:

[1, 7, 11, 29, 31, 77, 121, 203, 217, 319, 341, 847, 899, 2233, 2387, 3509, 3751, 6293, 9889, 24563, 26257, 26431, 69223, 108779, 185017, 290741, 761453, 766499, 819361, 2035187, 3198151, 5365493, 5735527, 8431489, 9012971, 22387057, 23761469, 59020423, 63090797, 92746379, 99142681, 166330283, 261376159, 649224653, 693998767, 1829633113, 2875137749, 20125964243]

約数ペア:

[(1, 20125964243), (7, 2875137749), (11, 1829633113), (29, 693998767), (31, 649224653), (77, 261376159), (121, 166330283), (203, 99142681), (217, 92746379), (319, 63090797), (341, 59020423), (847, 23761469), (899, 22387057), (2233, 9012971), (2387, 8431489), (3509, 5735527), (3751, 5365493), (6293, 3198151), (9889, 2035187), (24563, 819361), (26257, 766499), (26431, 761453), (69223, 290741), (108779, 185017)]