16907120

素因数分解:

$2^4\times 5^1\times {\mathrm{211339}}^1$

素因数の和:211352

約数の個数: 20

約数和(自身を含む): 39309240

約数和(自身を除く): 22402120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211339, 422678, 845356, 1056695, 1690712, 2113390, 3381424, 4226780, 8453560, 16907120]

約数ペア:

[(1, 16907120), (2, 8453560), (4, 4226780), (5, 3381424), (8, 2113390), (10, 1690712), (16, 1056695), (20, 845356), (40, 422678), (80, 211339)]