20199782180

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1344859}}^1$

素因数の和:1345619

約数の個数: 24

約数和(自身を含む): 42476058240

約数和(自身を除く): 22276276060

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 3004, 3755, 7510, 15020, 1344859, 2689718, 5379436, 6724295, 13448590, 26897180, 1009989109, 2019978218, 4039956436, 5049945545, 10099891090, 20199782180]

約数ペア:

[(1, 20199782180), (2, 10099891090), (4, 5049945545), (5, 4039956436), (10, 2019978218), (20, 1009989109), (751, 26897180), (1502, 13448590), (3004, 6724295), (3755, 5379436), (7510, 2689718), (15020, 1344859)]