20609540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147211}}^1$

素因数の和:147227

約数の個数: 24

約数和(自身を含む): 49463232

約数和(自身を除く): 28853692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147211, 294422, 588844, 736055, 1030477, 1472110, 2060954, 2944220, 4121908, 5152385, 10304770, 20609540]

約数ペア:

[(1, 20609540), (2, 10304770), (4, 5152385), (5, 4121908), (7, 2944220), (10, 2060954), (14, 1472110), (20, 1030477), (28, 736055), (35, 588844), (70, 294422), (140, 147211)]