20749563

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{62311}}^1$

素因数の和:62354

約数の個数: 12

約数和(自身を含む): 30782128

約数和(自身を除く): 10032565

約数列:

[1, 3, 9, 37, 111, 333, 62311, 186933, 560799, 2305507, 6916521, 20749563]

約数ペア:

[(1, 20749563), (3, 6916521), (9, 2305507), (37, 560799), (111, 186933), (333, 62311)]