20644312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{198503}}^1$

素因数の和:198522

約数の個数: 16

約数和(自身を含む): 41685840

約数和(自身を除く): 21041528

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 198503, 397006, 794012, 1588024, 2580539, 5161078, 10322156, 20644312]

約数ペア:

[(1, 20644312), (2, 10322156), (4, 5161078), (8, 2580539), (13, 1588024), (26, 794012), (52, 397006), (104, 198503)]