16496720

素因数分解:

$2^4\times 5^1\times {\mathrm{206209}}^1$

素因数の和:206222

約数の個数: 20

約数和(自身を含む): 38355060

約数和(自身を除く): 21858340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 206209, 412418, 824836, 1031045, 1649672, 2062090, 3299344, 4124180, 8248360, 16496720]

約数ペア:

[(1, 16496720), (2, 8248360), (4, 4124180), (5, 3299344), (8, 2062090), (10, 1649672), (16, 1031045), (20, 824836), (40, 412418), (80, 206209)]