20161326520

素因数分解:

$2^3\times 5^1\times {\mathrm{504033163}}^1$

素因数の和:504033174

約数の個数: 16

約数和(自身を含む): 45362984760

約数和(自身を除く): 25201658240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504033163, 1008066326, 2016132652, 2520165815, 4032265304, 5040331630, 10080663260, 20161326520]

約数ペア:

[(1, 20161326520), (2, 10080663260), (4, 5040331630), (5, 4032265304), (8, 2520165815), (10, 2016132652), (20, 1008066326), (40, 504033163)]