20406296

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{15649}}^1$

素因数の和:15818

約数の個数: 16

約数和(自身を含む): 38499000

約数和(自身を除く): 18092704

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 15649, 31298, 62596, 125192, 2550787, 5101574, 10203148, 20406296]

約数ペア:

[(1, 20406296), (2, 10203148), (4, 5101574), (8, 2550787), (163, 125192), (326, 62596), (652, 31298), (1304, 15649)]