20925591

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 28435680

約数和(自身を除く): 7510089

約数列:

[1, 3, 89, 181, 267, 433, 543, 1299, 16109, 38537, 48327, 78373, 115611, 235119, 6975197, 20925591]

約数ペア:

[(1, 20925591), (3, 6975197), (89, 235119), (181, 115611), (267, 78373), (433, 48327), (543, 38537), (1299, 16109)]