20041263

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 33175296

約数和(自身を除く): 13134033

約数列:

[1, 3, 9, 11, 27, 33, 81, 83, 99, 249, 271, 297, 747, 813, 891, 913, 2241, 2439, 2739, 2981, 6723, 7317, 8217, 8943, 21951, 22493, 24651, 26829, 67479, 73953, 80487, 202437, 241461, 247423, 607311, 742269, 1821933, 2226807, 6680421, 20041263]

約数ペア:

[(1, 20041263), (3, 6680421), (9, 2226807), (11, 1821933), (27, 742269), (33, 607311), (81, 247423), (83, 241461), (99, 202437), (249, 80487), (271, 73953), (297, 67479), (747, 26829), (813, 24651), (891, 22493), (913, 21951), (2241, 8943), (2439, 8217), (2739, 7317), (2981, 6723)]