20259125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:182

約数の個数: 32

約数和(自身を含む): 26732160

約数和(自身を除く): 6473035

約数列:

[1, 5, 25, 41, 59, 67, 125, 205, 295, 335, 1025, 1475, 1675, 2419, 2747, 3953, 5125, 7375, 8375, 12095, 13735, 19765, 60475, 68675, 98825, 162073, 302375, 343375, 494125, 810365, 4051825, 20259125]

約数ペア:

[(1, 20259125), (5, 4051825), (25, 810365), (41, 494125), (59, 343375), (67, 302375), (125, 162073), (205, 98825), (295, 68675), (335, 60475), (1025, 19765), (1475, 13735), (1675, 12095), (2419, 8375), (2747, 7375), (3953, 5125)]