20682625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{9733}}^1$

素因数の和:9765

約数の個数: 16

約数和(自身を含む): 27333072

約数和(自身を除く): 6650447

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 9733, 48665, 165461, 243325, 827305, 1216625, 4136525, 20682625]

約数ペア:

[(1, 20682625), (5, 4136525), (17, 1216625), (25, 827305), (85, 243325), (125, 165461), (425, 48665), (2125, 9733)]