20081258

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{977}}^1$

素因数の和:1261

約数の個数: 16

約数和(自身を含む): 30983040

約数和(自身を除く): 10901782

約数列:

[1, 2, 43, 86, 239, 478, 977, 1954, 10277, 20554, 42011, 84022, 233503, 467006, 10040629, 20081258]

約数ペア:

[(1, 20081258), (2, 10040629), (43, 467006), (86, 233503), (239, 84022), (478, 42011), (977, 20554), (1954, 10277)]