20492619

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1709}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 31299840

約数和(自身を除く): 10807221

約数列:

[1, 3, 7, 21, 571, 1709, 1713, 3997, 5127, 11963, 11991, 35889, 975839, 2927517, 6830873, 20492619]

約数ペア:

[(1, 20492619), (3, 6830873), (7, 2927517), (21, 975839), (571, 35889), (1709, 11991), (1713, 11963), (3997, 5127)]