20403842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1367}}^1$

素因数の和:1825

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 12099838

約数列:

[1, 2, 17, 34, 439, 878, 1367, 2734, 7463, 14926, 23239, 46478, 600113, 1200226, 10201921, 20403842]

約数ペア:

[(1, 20403842), (2, 10201921), (17, 1200226), (34, 600113), (439, 46478), (878, 23239), (1367, 14926), (2734, 7463)]