20778826180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148420187}}^1$

素因数の和:148420203

約数の個数: 24

約数和(自身を含む): 49869183168

約数和(自身を除く): 29090356988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148420187, 296840374, 593680748, 742100935, 1038941309, 1484201870, 2077882618, 2968403740, 4155765236, 5194706545, 10389413090, 20778826180]

約数ペア:

[(1, 20778826180), (2, 10389413090), (4, 5194706545), (5, 4155765236), (7, 2968403740), (10, 2077882618), (14, 1484201870), (20, 1038941309), (28, 742100935), (35, 593680748), (70, 296840374), (140, 148420187)]