20159726

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:839

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 10590994

約数列:

[1, 2, 127, 139, 254, 278, 571, 1142, 17653, 35306, 72517, 79369, 145034, 158738, 10079863, 20159726]

約数ペア:

[(1, 20159726), (2, 10079863), (127, 158738), (139, 145034), (254, 79369), (278, 72517), (571, 35306), (1142, 17653)]