20406008

素因数分解:

$2^3\times 7^1\times {\mathrm{364393}}^1$

素因数の和:364406

約数の個数: 16

約数和(自身を含む): 43727280

約数和(自身を除く): 23321272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364393, 728786, 1457572, 2550751, 2915144, 5101502, 10203004, 20406008]

約数ペア:

[(1, 20406008), (2, 10203004), (4, 5101502), (7, 2915144), (8, 2550751), (14, 1457572), (28, 728786), (56, 364393)]