20040875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{9431}}^1$

素因数の和:9463

約数の個数: 16

約数和(自身を含む): 26485056

約数和(自身を除く): 6444181

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 9431, 47155, 160327, 235775, 801635, 1178875, 4008175, 20040875]

約数ペア:

[(1, 20040875), (5, 4008175), (17, 1178875), (25, 801635), (85, 235775), (125, 160327), (425, 47155), (2125, 9431)]