20996776

素因数分解:

$2^3\times {\mathrm{769}}^1\times {\mathrm{3413}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 39431700

約数和(自身を除く): 18434924

約数列:

[1, 2, 4, 8, 769, 1538, 3076, 3413, 6152, 6826, 13652, 27304, 2624597, 5249194, 10498388, 20996776]

約数ペア:

[(1, 20996776), (2, 10498388), (4, 5249194), (8, 2624597), (769, 27304), (1538, 13652), (3076, 6826), (3413, 6152)]