20172620187

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{1873}}^1\times {\mathrm{10781}}^1$

素因数の和:12700

約数の個数: 32

約数和(自身を含む): 30712311360

約数和(自身を除く): 10539691173

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1873, 5619, 10781, 16857, 32343, 50571, 69301, 97029, 207903, 291087, 398897, 623709, 1196691, 1871127, 3590073, 10770219, 20192813, 60578439, 181735317, 545205951, 747134081, 2241402243, 6724206729, 20172620187]

約数ペア:

[(1, 20172620187), (3, 6724206729), (9, 2241402243), (27, 747134081), (37, 545205951), (111, 181735317), (333, 60578439), (999, 20192813), (1873, 10770219), (5619, 3590073), (10781, 1871127), (16857, 1196691), (32343, 623709), (50571, 398897), (69301, 291087), (97029, 207903)]