20364808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133979}}^1$

素因数の和:134004

約数の個数: 16

約数和(自身を含む): 40194000

約数和(自身を除く): 19829192

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133979, 267958, 535916, 1071832, 2545601, 5091202, 10182404, 20364808]

約数ペア:

[(1, 20364808), (2, 10182404), (4, 5091202), (8, 2545601), (19, 1071832), (38, 535916), (76, 267958), (152, 133979)]