20161568

素因数分解:

$2^5\times 7^1\times {\mathrm{90007}}^1$

素因数の和:90024

約数の個数: 24

約数和(自身を含む): 45364032

約数和(自身を除く): 25202464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90007, 180014, 360028, 630049, 720056, 1260098, 1440112, 2520196, 2880224, 5040392, 10080784, 20161568]

約数ペア:

[(1, 20161568), (2, 10080784), (4, 5040392), (7, 2880224), (8, 2520196), (14, 1440112), (16, 1260098), (28, 720056), (32, 630049), (56, 360028), (112, 180014), (224, 90007)]