20843964

素因数分解:

$2^2\times 3^2\times {\mathrm{578999}}^1$

素因数の和:579009

約数の個数: 18

約数和(自身を含む): 52689000

約数和(自身を除く): 31845036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578999, 1157998, 1736997, 2315996, 3473994, 5210991, 6947988, 10421982, 20843964]

約数ペア:

[(1, 20843964), (2, 10421982), (3, 6947988), (4, 5210991), (6, 3473994), (9, 2315996), (12, 1736997), (18, 1157998), (36, 578999)]