20842618

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3967}}^1$

素因数の和:4077

約数の個数: 16

約数和(自身を含む): 32569344

約数和(自身を除く): 11726726

約数列:

[1, 2, 37, 71, 74, 142, 2627, 3967, 5254, 7934, 146779, 281657, 293558, 563314, 10421309, 20842618]

約数ペア:

[(1, 20842618), (2, 10421309), (37, 563314), (71, 293558), (74, 281657), (142, 146779), (2627, 7934), (3967, 5254)]