20403824

素因数分解:

$2^4\times 7^1\times {\mathrm{182177}}^1$

素因数の和:182192

約数の個数: 20

約数和(自身を含む): 45180144

約数和(自身を除く): 24776320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182177, 364354, 728708, 1275239, 1457416, 2550478, 2914832, 5100956, 10201912, 20403824]

約数ペア:

[(1, 20403824), (2, 10201912), (4, 5100956), (7, 2914832), (8, 2550478), (14, 1457416), (16, 1275239), (28, 728708), (56, 364354), (112, 182177)]