20286325

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 26123328

約数和(自身を除く): 5837003

約数列:

[1, 5, 25, 43, 113, 167, 215, 565, 835, 1075, 2825, 4175, 4859, 7181, 18871, 24295, 35905, 94355, 121475, 179525, 471775, 811453, 4057265, 20286325]

約数ペア:

[(1, 20286325), (5, 4057265), (25, 811453), (43, 471775), (113, 179525), (167, 121475), (215, 94355), (565, 35905), (835, 24295), (1075, 18871), (2825, 7181), (4175, 4859)]