20692341

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 33454080

約数和(自身を除く): 12761739

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 207, 261, 383, 621, 667, 783, 1149, 1863, 2001, 2349, 3447, 6003, 8809, 10341, 11107, 18009, 26427, 31023, 33321, 54027, 79281, 99963, 237843, 255461, 299889, 713529, 766383, 899667, 2299149, 6897447, 20692341]

約数ペア:

[(1, 20692341), (3, 6897447), (9, 2299149), (23, 899667), (27, 766383), (29, 713529), (69, 299889), (81, 255461), (87, 237843), (207, 99963), (261, 79281), (383, 54027), (621, 33321), (667, 31023), (783, 26427), (1149, 18009), (1863, 11107), (2001, 10341), (2349, 8809), (3447, 6003)]