20451187

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22457952

約数和(自身を除く): 2006765

約数列:

[1, 17, 43, 101, 277, 731, 1717, 4343, 4709, 11911, 27977, 73831, 202487, 475609, 1203011, 20451187]

約数ペア:

[(1, 20451187), (17, 1203011), (43, 475609), (101, 202487), (277, 73831), (731, 27977), (1717, 11911), (4343, 4709)]