20982687

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{3329}}^1$

素因数の和:3534

約数の個数: 16

約数和(自身を含む): 30689280

約数和(自身を除く): 9706593

約数列:

[1, 3, 11, 33, 191, 573, 2101, 3329, 6303, 9987, 36619, 109857, 635839, 1907517, 6994229, 20982687]

約数ペア:

[(1, 20982687), (3, 6994229), (11, 1907517), (33, 635839), (191, 109857), (573, 36619), (2101, 9987), (3329, 6303)]