20189045513

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{1283}}^1\times {\mathrm{3529}}^1$

素因数の和:4846

約数の個数: 32

約数和(自身を含む): 25382112000

約数和(自身を除く): 5193066487

約数列:

[1, 7, 13, 49, 91, 343, 637, 1283, 3529, 4459, 8981, 16679, 24703, 45877, 62867, 116753, 172921, 321139, 440069, 817271, 1210447, 2247973, 4527707, 5720897, 15735811, 31693949, 58860191, 221857643, 412021337, 1553003501, 2884149359, 20189045513]

約数ペア:

[(1, 20189045513), (7, 2884149359), (13, 1553003501), (49, 412021337), (91, 221857643), (343, 58860191), (637, 31693949), (1283, 15735811), (3529, 5720897), (4459, 4527707), (8981, 2247973), (16679, 1210447), (24703, 817271), (45877, 440069), (62867, 321139), (116753, 172921)]