20864176

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12911}}^1$

素因数の和:13020

約数の個数: 20

約数和(自身を含む): 40827744

約数和(自身を除く): 19963568

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12911, 25822, 51644, 103288, 206576, 1304011, 2608022, 5216044, 10432088, 20864176]

約数ペア:

[(1, 20864176), (2, 10432088), (4, 5216044), (8, 2608022), (16, 1304011), (101, 206576), (202, 103288), (404, 51644), (808, 25822), (1616, 12911)]