20815728

素因数分解:

$2^4\times 3^1\times {\mathrm{433661}}^1$

素因数の和:433672

約数の個数: 20

約数和(自身を含む): 53774088

約数和(自身を除く): 32958360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 433661, 867322, 1300983, 1734644, 2601966, 3469288, 5203932, 6938576, 10407864, 20815728]

約数ペア:

[(1, 20815728), (2, 10407864), (3, 6938576), (4, 5203932), (6, 3469288), (8, 2601966), (12, 1734644), (16, 1300983), (24, 867322), (48, 433661)]