20214657813

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{577}}^1\times {\mathrm{3907}}^1$

素因数の和:4562

約数の個数: 48

約数和(自身を含む): 31930736064

約数和(自身を除く): 11716078251

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 577, 1281, 1731, 2989, 3907, 4039, 8967, 11721, 12117, 27349, 28273, 35197, 82047, 84819, 105591, 191443, 238327, 246379, 574329, 714981, 739137, 1668289, 1724653, 2254339, 5004867, 5173959, 6763017, 11678023, 15780373, 35034069, 47341119, 110462611, 137514679, 331387833, 412544037, 962602753, 2887808259, 6738219271, 20214657813]

約数ペア:

[(1, 20214657813), (3, 6738219271), (7, 2887808259), (21, 962602753), (49, 412544037), (61, 331387833), (147, 137514679), (183, 110462611), (427, 47341119), (577, 35034069), (1281, 15780373), (1731, 11678023), (2989, 6763017), (3907, 5173959), (4039, 5004867), (8967, 2254339), (11721, 1724653), (12117, 1668289), (27349, 739137), (28273, 714981), (35197, 574329), (82047, 246379), (84819, 238327), (105591, 191443)]