20161609132

素因数分解:

$2^2\times 7^1\times {\mathrm{10009}}^1\times {\mathrm{71941}}^1$

素因数の和:81961

約数の個数: 24

約数和(自身を含む): 40327807520

約数和(自身を除く): 20166198388

約数列:

[1, 2, 4, 7, 14, 28, 10009, 20018, 40036, 70063, 71941, 140126, 143882, 280252, 287764, 503587, 1007174, 2014348, 720057469, 1440114938, 2880229876, 5040402283, 10080804566, 20161609132]

約数ペア:

[(1, 20161609132), (2, 10080804566), (4, 5040402283), (7, 2880229876), (14, 1440114938), (28, 720057469), (10009, 2014348), (20018, 1007174), (40036, 503587), (70063, 287764), (71941, 280252), (140126, 143882)]