20506180

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3623}}^1$

素因数の和:3915

約数の個数: 24

約数和(自身を含む): 43227072

約数和(自身を除く): 22720892

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3623, 5660, 7246, 14492, 18115, 36230, 72460, 1025309, 2050618, 4101236, 5126545, 10253090, 20506180]

約数ペア:

[(1, 20506180), (2, 10253090), (4, 5126545), (5, 4101236), (10, 2050618), (20, 1025309), (283, 72460), (566, 36230), (1132, 18115), (1415, 14492), (2830, 7246), (3623, 5660)]