20291217417

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{479}}^1\times {\mathrm{6301}}^1$

素因数の和:6875

約数の個数: 40

約数和(自身を含む): 30745693440

約数和(自身を除く): 10454476023

約数列:

[1, 3, 9, 27, 81, 83, 249, 479, 747, 1437, 2241, 4311, 6301, 6723, 12933, 18903, 38799, 39757, 56709, 119271, 170127, 357813, 510381, 522983, 1073439, 1568949, 3018179, 3220317, 4706847, 9054537, 14120541, 27163611, 42361623, 81490833, 244472499, 250508857, 751526571, 2254579713, 6763739139, 20291217417]

約数ペア:

[(1, 20291217417), (3, 6763739139), (9, 2254579713), (27, 751526571), (81, 250508857), (83, 244472499), (249, 81490833), (479, 42361623), (747, 27163611), (1437, 14120541), (2241, 9054537), (4311, 4706847), (6301, 3220317), (6723, 3018179), (12933, 1568949), (18903, 1073439), (38799, 522983), (39757, 510381), (56709, 357813), (119271, 170127)]