20894415

素因数分解:

$3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3217}}^1$

素因数の和:3658

約数の個数: 16

約数和(自身を含む): 33518688

約数和(自身を除く): 12624273

約数列:

[1, 3, 5, 15, 433, 1299, 2165, 3217, 6495, 9651, 16085, 48255, 1392961, 4178883, 6964805, 20894415]

約数ペア:

[(1, 20894415), (3, 6964805), (5, 4178883), (15, 1392961), (433, 48255), (1299, 16085), (2165, 9651), (3217, 6495)]