16975540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19739}}^1$

素因数の和:19791

約数の個数: 24

約数和(自身を含む): 36479520

約数和(自身を除く): 19503980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19739, 39478, 78956, 98695, 197390, 394780, 848777, 1697554, 3395108, 4243885, 8487770, 16975540]

約数ペア:

[(1, 16975540), (2, 8487770), (4, 4243885), (5, 3395108), (10, 1697554), (20, 848777), (43, 394780), (86, 197390), (172, 98695), (215, 78956), (430, 39478), (860, 19739)]