20503846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25189}}^1$

素因数の和:25239

約数の個数: 16

約数和(自身を含む): 34459920

約数和(自身を除く): 13956074

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25189, 50378, 277079, 554158, 931993, 1863986, 10251923, 20503846]

約数ペア:

[(1, 20503846), (2, 10251923), (11, 1863986), (22, 931993), (37, 554158), (74, 277079), (407, 50378), (814, 25189)]