20322790

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4447}}^1$

素因数の和:4911

約数の個数: 16

約数和(自身を含む): 36669312

約数和(自身を除く): 16346522

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4447, 4570, 8894, 22235, 44470, 2032279, 4064558, 10161395, 20322790]

約数ペア:

[(1, 20322790), (2, 10161395), (5, 4064558), (10, 2032279), (457, 44470), (914, 22235), (2285, 8894), (4447, 4570)]