20329112

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61979}}^1$

素因数の和:62026

約数の個数: 16

約数和(自身を含む): 39047400

約数和(自身を除く): 18718288

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61979, 123958, 247916, 495832, 2541139, 5082278, 10164556, 20329112]

約数ペア:

[(1, 20329112), (2, 10164556), (4, 5082278), (8, 2541139), (41, 495832), (82, 247916), (164, 123958), (328, 61979)]