15968020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10937}}^1$

素因数の和:11019

約数の個数: 24

約数和(自身を含む): 33995304

約数和(自身を除く): 18027284

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 10937, 21874, 43748, 54685, 109370, 218740, 798401, 1596802, 3193604, 3992005, 7984010, 15968020]

約数ペア:

[(1, 15968020), (2, 7984010), (4, 3992005), (5, 3193604), (10, 1596802), (20, 798401), (73, 218740), (146, 109370), (292, 54685), (365, 43748), (730, 21874), (1460, 10937)]