20566504

素因数分解:

$2^3\times 7^1\times {\mathrm{367259}}^1$

素因数の和:367272

約数の個数: 16

約数和(自身を含む): 44071200

約数和(自身を除く): 23504696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367259, 734518, 1469036, 2570813, 2938072, 5141626, 10283252, 20566504]

約数ペア:

[(1, 20566504), (2, 10283252), (4, 5141626), (7, 2938072), (8, 2570813), (14, 1469036), (28, 734518), (56, 367259)]