20867777

素因数分解:

$7^3\times {\mathrm{83}}^1\times {\mathrm{733}}^1$

素因数の和:837

約数の個数: 16

約数和(自身を含む): 24662400

約数和(自身を除く): 3794623

約数列:

[1, 7, 49, 83, 343, 581, 733, 4067, 5131, 28469, 35917, 60839, 251419, 425873, 2981111, 20867777]

約数ペア:

[(1, 20867777), (7, 2981111), (49, 425873), (83, 251419), (343, 60839), (581, 35917), (733, 28469), (4067, 5131)]