20641859

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2062

約数の個数: 16

約数和(自身を含む): 25272000

約数和(自身を除く): 4630141

約数列:

[1, 7, 17, 89, 119, 623, 1513, 1949, 10591, 13643, 33133, 173461, 231931, 1214227, 2948837, 20641859]

約数ペア:

[(1, 20641859), (7, 2948837), (17, 1214227), (89, 231931), (119, 173461), (623, 33133), (1513, 13643), (1949, 10591)]