20477866

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1213}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 32166144

約数和(自身を除く): 11688278

約数列:

[1, 2, 23, 46, 367, 734, 1213, 2426, 8441, 16882, 27899, 55798, 445171, 890342, 10238933, 20477866]

約数ペア:

[(1, 20477866), (2, 10238933), (23, 890342), (46, 445171), (367, 55798), (734, 27899), (1213, 16882), (2426, 8441)]