20003312

素因数分解:

$2^4\times 7^1\times {\mathrm{178601}}^1$

素因数の和:178616

約数の個数: 20

約数和(自身を含む): 44293296

約数和(自身を除く): 24289984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178601, 357202, 714404, 1250207, 1428808, 2500414, 2857616, 5000828, 10001656, 20003312]

約数ペア:

[(1, 20003312), (2, 10001656), (4, 5000828), (7, 2857616), (8, 2500414), (14, 1428808), (16, 1250207), (28, 714404), (56, 357202), (112, 178601)]