20516412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244243}}^1$

素因数の和:244257

約数の個数: 24

約数和(自身を含む): 54710656

約数和(自身を除く): 34194244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244243, 488486, 732729, 976972, 1465458, 1709701, 2930916, 3419402, 5129103, 6838804, 10258206, 20516412]

約数ペア:

[(1, 20516412), (2, 10258206), (3, 6838804), (4, 5129103), (6, 3419402), (7, 2930916), (12, 1709701), (14, 1465458), (21, 976972), (28, 732729), (42, 488486), (84, 244243)]