20884798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25657}}^1$

素因数の和:25707

約数の個数: 16

約数和(自身を含む): 35100144

約数和(自身を除く): 14215346

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25657, 51314, 282227, 564454, 949309, 1898618, 10442399, 20884798]

約数ペア:

[(1, 20884798), (2, 10442399), (11, 1898618), (22, 949309), (37, 564454), (74, 282227), (407, 51314), (814, 25657)]