20512019994

素因数分解:

$2^1\times 3^1\times {\mathrm{87481}}^1\times {\mathrm{39079}}^1$

素因数の和:126565

約数の個数: 16

約数和(自身を含む): 41025558720

約数和(自身を除く): 20513538726

約数列:

[1, 2, 3, 6, 39079, 78158, 87481, 117237, 174962, 234474, 262443, 524886, 3418669999, 6837339998, 10256009997, 20512019994]

約数ペア:

[(1, 20512019994), (2, 10256009997), (3, 6837339998), (6, 3418669999), (39079, 524886), (78158, 262443), (87481, 234474), (117237, 174962)]