2019754540

素因数分解:

$2^2\times 5^1\times {\mathrm{100987727}}^1$

素因数の和:100987736

約数の個数: 12

約数和(自身を含む): 4241484576

約数和(自身を除く): 2221730036

約数列:

[1, 2, 4, 5, 10, 20, 100987727, 201975454, 403950908, 504938635, 1009877270, 2019754540]

約数ペア:

[(1, 2019754540), (2, 1009877270), (4, 504938635), (5, 403950908), (10, 201975454), (20, 100987727)]