20156375

素因数分解:

$5^3\times {\mathrm{113}}^1\times {\mathrm{1427}}^1$

素因数の和:1555

約数の個数: 16

約数和(自身を含む): 25395552

約数和(自身を除く): 5239177

約数列:

[1, 5, 25, 113, 125, 565, 1427, 2825, 7135, 14125, 35675, 161251, 178375, 806255, 4031275, 20156375]

約数ペア:

[(1, 20156375), (5, 4031275), (25, 806255), (113, 178375), (125, 161251), (565, 35675), (1427, 14125), (2825, 7135)]