20761768

素因数分解:

$2^3\times {\mathrm{1601}}^1\times {\mathrm{1621}}^1$

素因数の和:3228

約数の個数: 16

約数和(自身を含む): 38976660

約数和(自身を除く): 18214892

約数列:

[1, 2, 4, 8, 1601, 1621, 3202, 3242, 6404, 6484, 12808, 12968, 2595221, 5190442, 10380884, 20761768]

約数ペア:

[(1, 20761768), (2, 10380884), (4, 5190442), (8, 2595221), (1601, 12968), (1621, 12808), (3202, 6484), (3242, 6404)]