20145686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{24749}}^1$

素因数の和:24799

約数の個数: 16

約数和(自身を含む): 33858000

約数和(自身を除く): 13712314

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 24749, 49498, 272239, 544478, 915713, 1831426, 10072843, 20145686]

約数ペア:

[(1, 20145686), (2, 10072843), (11, 1831426), (22, 915713), (37, 544478), (74, 272239), (407, 49498), (814, 24749)]