20381118

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{47843}}^1$

素因数の和:47919

約数の個数: 16

約数和(自身を含む): 41337216

約数和(自身を除く): 20956098

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 47843, 95686, 143529, 287058, 3396853, 6793706, 10190559, 20381118]

約数ペア:

[(1, 20381118), (2, 10190559), (3, 6793706), (6, 3396853), (71, 287058), (142, 143529), (213, 95686), (426, 47843)]