20879888

素因数分解:

$2^4\times {\mathrm{769}}^1\times {\mathrm{1697}}^1$

素因数の和:2474

約数の個数: 20

約数和(自身を含む): 40531260

約数和(自身を除く): 19651372

約数列:

[1, 2, 4, 8, 16, 769, 1538, 1697, 3076, 3394, 6152, 6788, 12304, 13576, 27152, 1304993, 2609986, 5219972, 10439944, 20879888]

約数ペア:

[(1, 20879888), (2, 10439944), (4, 5219972), (8, 2609986), (16, 1304993), (769, 27152), (1538, 13576), (1697, 12304), (3076, 6788), (3394, 6152)]