20774117

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5309}}^1$

素因数の和:5372

約数の個数: 16

約数和(自身を含む): 26167680

約数和(自身を除く): 5393563

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5309, 37163, 69017, 228287, 483119, 1598009, 2967731, 20774117]

約数ペア:

[(1, 20774117), (7, 2967731), (13, 1598009), (43, 483119), (91, 228287), (301, 69017), (559, 37163), (3913, 5309)]