20199117140

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5287727}}^1$

素因数の和:5287927

約数の個数: 24

約数和(自身を含む): 42640238592

約数和(自身を除く): 22441121452

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5287727, 10575454, 21150908, 26438635, 52877270, 105754540, 1009955857, 2019911714, 4039823428, 5049779285, 10099558570, 20199117140]

約数ペア:

[(1, 20199117140), (2, 10099558570), (4, 5049779285), (5, 4039823428), (10, 2019911714), (20, 1009955857), (191, 105754540), (382, 52877270), (764, 26438635), (955, 21150908), (1910, 10575454), (3820, 5287727)]