20509546

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:749

約数の個数: 16

約数和(自身を含む): 31259520

約数和(自身を除く): 10749974

約数列:

[1, 2, 107, 214, 239, 401, 478, 802, 25573, 42907, 51146, 85814, 95839, 191678, 10254773, 20509546]

約数ペア:

[(1, 20509546), (2, 10254773), (107, 191678), (214, 95839), (239, 85814), (401, 51146), (478, 42907), (802, 25573)]