20138711026

素因数分解:

$2^1\times 7^1\times {\mathrm{2087}}^1\times {\mathrm{689257}}^1$

素因数の和:691353

約数の個数: 16

約数和(自身を含む): 34540096896

約数和(自身を除く): 14401385870

約数列:

[1, 2, 7, 14, 2087, 4174, 14609, 29218, 689257, 1378514, 4824799, 9649598, 1438479359, 2876958718, 10069355513, 20138711026]

約数ペア:

[(1, 20138711026), (2, 10069355513), (7, 2876958718), (14, 1438479359), (2087, 9649598), (4174, 4824799), (14609, 1378514), (29218, 689257)]