20848366

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 39202560

約数和(自身を除く): 18354194

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 331, 409, 662, 818, 2317, 2863, 3641, 4499, 4634, 5726, 7282, 8998, 25487, 31493, 50974, 62986, 135379, 270758, 947653, 1489169, 1895306, 2978338, 10424183, 20848366]

約数ペア:

[(1, 20848366), (2, 10424183), (7, 2978338), (11, 1895306), (14, 1489169), (22, 947653), (77, 270758), (154, 135379), (331, 62986), (409, 50974), (662, 31493), (818, 25487), (2317, 8998), (2863, 7282), (3641, 5726), (4499, 4634)]