20513484

素因数分解:

$2^2\times 3^2\times {\mathrm{569819}}^1$

素因数の和:569829

約数の個数: 18

約数和(自身を含む): 51853620

約数和(自身を除く): 31340136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569819, 1139638, 1709457, 2279276, 3418914, 5128371, 6837828, 10256742, 20513484]

約数ペア:

[(1, 20513484), (2, 10256742), (3, 6837828), (4, 5128371), (6, 3418914), (9, 2279276), (12, 1709457), (18, 1139638), (36, 569819)]