20885364320

素因数分解:

$2^5\times 5^1\times {\mathrm{130533527}}^1$

素因数の和:130533542

約数の個数: 24

約数和(自身を含む): 49341673584

約数和(自身を除く): 28456309264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 130533527, 261067054, 522134108, 652667635, 1044268216, 1305335270, 2088536432, 2610670540, 4177072864, 5221341080, 10442682160, 20885364320]

約数ペア:

[(1, 20885364320), (2, 10442682160), (4, 5221341080), (5, 4177072864), (8, 2610670540), (10, 2088536432), (16, 1305335270), (20, 1044268216), (32, 652667635), (40, 522134108), (80, 261067054), (160, 130533527)]