20156265

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1117}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 35056008

約数和(自身を除く): 14899743

約数列:

[1, 3, 5, 9, 15, 45, 401, 1117, 1203, 2005, 3351, 3609, 5585, 6015, 10053, 16755, 18045, 50265, 447917, 1343751, 2239585, 4031253, 6718755, 20156265]

約数ペア:

[(1, 20156265), (3, 6718755), (5, 4031253), (9, 2239585), (15, 1343751), (45, 447917), (401, 50265), (1117, 18045), (1203, 16755), (2005, 10053), (3351, 6015), (3609, 5585)]