20280341788

素因数分解:

$2^2\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{362693}}^1$

素因数の和:364701

約数の個数: 24

約数和(自身を含む): 40581106272

約数和(自身を除く): 20300764484

約数列:

[1, 2, 4, 7, 14, 28, 1997, 3994, 7988, 13979, 27958, 55916, 362693, 725386, 1450772, 2538851, 5077702, 10155404, 724297921, 1448595842, 2897191684, 5070085447, 10140170894, 20280341788]

約数ペア:

[(1, 20280341788), (2, 10140170894), (4, 5070085447), (7, 2897191684), (14, 1448595842), (28, 724297921), (1997, 10155404), (3994, 5077702), (7988, 2538851), (13979, 1450772), (27958, 725386), (55916, 362693)]