20450619

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3911}}^1$

素因数の和:4007

約数の個数: 24

約数和(自身を含む): 34175232

約数和(自身を除く): 13724613

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3911, 5229, 11733, 27377, 35199, 82131, 246393, 324613, 973839, 2272291, 2921517, 6816873, 20450619]

約数ペア:

[(1, 20450619), (3, 6816873), (7, 2921517), (9, 2272291), (21, 973839), (63, 324613), (83, 246393), (249, 82131), (581, 35199), (747, 27377), (1743, 11733), (3911, 5229)]