20212666

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2423}}^1$

素因数の和:2565

約数の個数: 16

約数和(自身を含む): 31356864

約数和(自身を除く): 11144198

約数列:

[1, 2, 43, 86, 97, 194, 2423, 4171, 4846, 8342, 104189, 208378, 235031, 470062, 10106333, 20212666]

約数ペア:

[(1, 20212666), (2, 10106333), (43, 470062), (86, 235031), (97, 208378), (194, 104189), (2423, 8342), (4171, 4846)]