20507418

素因数分解:

$2^1\times 3^4\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:748

約数の個数: 40

約数和(自身を含む): 46218612

約数和(自身を除く): 25711194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 277, 457, 554, 831, 914, 1371, 1662, 2493, 2742, 4113, 4986, 7479, 8226, 12339, 14958, 22437, 24678, 37017, 44874, 74034, 126589, 253178, 379767, 759534, 1139301, 2278602, 3417903, 6835806, 10253709, 20507418]

約数ペア:

[(1, 20507418), (2, 10253709), (3, 6835806), (6, 3417903), (9, 2278602), (18, 1139301), (27, 759534), (54, 379767), (81, 253178), (162, 126589), (277, 74034), (457, 44874), (554, 37017), (831, 24678), (914, 22437), (1371, 14958), (1662, 12339), (2493, 8226), (2742, 7479), (4113, 4986)]