20206275

素因数分解:

$3^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{643}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 33539520

約数和(自身を除く): 13333245

約数列:

[1, 3, 5, 15, 25, 75, 419, 643, 1257, 1929, 2095, 3215, 6285, 9645, 10475, 16075, 31425, 48225, 269417, 808251, 1347085, 4041255, 6735425, 20206275]

約数ペア:

[(1, 20206275), (3, 6735425), (5, 4041255), (15, 1347085), (25, 808251), (75, 269417), (419, 48225), (643, 31425), (1257, 16075), (1929, 10475), (2095, 9645), (3215, 6285)]