20279792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97499}}^1$

素因数の和:97520

約数の個数: 20

約数和(自身を含む): 42315000

約数和(自身を除く): 22035208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97499, 194998, 389996, 779992, 1267487, 1559984, 2534974, 5069948, 10139896, 20279792]

約数ペア:

[(1, 20279792), (2, 10139896), (4, 5069948), (8, 2534974), (13, 1559984), (16, 1267487), (26, 779992), (52, 389996), (104, 194998), (208, 97499)]