20741699

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 24706080

約数和(自身を除く): 3964381

約数列:

[1, 11, 23, 29, 121, 253, 257, 319, 667, 2783, 2827, 3509, 5911, 7337, 7453, 31097, 65021, 80707, 81983, 171419, 715231, 901813, 1885609, 20741699]

約数ペア:

[(1, 20741699), (11, 1885609), (23, 901813), (29, 715231), (121, 171419), (253, 81983), (257, 80707), (319, 65021), (667, 31097), (2783, 7453), (2827, 7337), (3509, 5911)]