20423484

素因数分解:

$2^2\times 3^2\times {\mathrm{567319}}^1$

素因数の和:567329

約数の個数: 18

約数和(自身を含む): 51626120

約数和(自身を除く): 31202636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 567319, 1134638, 1701957, 2269276, 3403914, 5105871, 6807828, 10211742, 20423484]

約数ペア:

[(1, 20423484), (2, 10211742), (3, 6807828), (4, 5105871), (6, 3403914), (9, 2269276), (12, 1701957), (18, 1134638), (36, 567319)]