20285675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 27118800

約数和(自身を除く): 6833125

約数列:

[1, 5, 17, 25, 59, 85, 295, 425, 809, 1003, 1475, 4045, 5015, 13753, 20225, 25075, 47731, 68765, 238655, 343825, 811427, 1193275, 4057135, 20285675]

約数ペア:

[(1, 20285675), (5, 4057135), (17, 1193275), (25, 811427), (59, 343825), (85, 238655), (295, 68765), (425, 47731), (809, 25075), (1003, 20225), (1475, 13753), (4045, 5015)]