16746021940

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1302179}}^1$

素因数の和:1302831

約数の個数: 24

約数和(自身を含む): 35221364640

約数和(自身を除く): 18475342700

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 1302179, 2604358, 5208716, 6510895, 13021790, 26043580, 837301097, 1674602194, 3349204388, 4186505485, 8373010970, 16746021940]

約数ペア:

[(1, 16746021940), (2, 8373010970), (4, 4186505485), (5, 3349204388), (10, 1674602194), (20, 837301097), (643, 26043580), (1286, 13021790), (2572, 6510895), (3215, 5208716), (6430, 2604358), (12860, 1302179)]