20161963472

素因数分解:

$2^4\times 7^1\times {\mathrm{180017531}}^1$

素因数の和:180017546

約数の個数: 20

約数和(自身を含む): 44644347936

約数和(自身を除く): 24482384464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180017531, 360035062, 720070124, 1260122717, 1440140248, 2520245434, 2880280496, 5040490868, 10080981736, 20161963472]

約数ペア:

[(1, 20161963472), (2, 10080981736), (4, 5040490868), (7, 2880280496), (8, 2520245434), (14, 1440140248), (16, 1260122717), (28, 720070124), (56, 360035062), (112, 180017531)]