16992740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19759}}^1$

素因数の和:19811

約数の個数: 24

約数和(自身を含む): 36516480

約数和(自身を除く): 19523740

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19759, 39518, 79036, 98795, 197590, 395180, 849637, 1699274, 3398548, 4248185, 8496370, 16992740]

約数ペア:

[(1, 16992740), (2, 8496370), (4, 4248185), (5, 3398548), (10, 1699274), (20, 849637), (43, 395180), (86, 197590), (172, 98795), (215, 79036), (430, 39518), (860, 19759)]