20390392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{231709}}^1$

素因数の和:231726

約数の個数: 16

約数和(自身を含む): 41707800

約数和(自身を除く): 21317408

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 231709, 463418, 926836, 1853672, 2548799, 5097598, 10195196, 20390392]

約数ペア:

[(1, 20390392), (2, 10195196), (4, 5097598), (8, 2548799), (11, 1853672), (22, 926836), (44, 463418), (88, 231709)]