20804076460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13167137}}^1$

素因数の和:13167225

約数の個数: 24

約数和(自身を含む): 44241583680

約数和(自身を除く): 23437507220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 13167137, 26334274, 52668548, 65835685, 131671370, 263342740, 1040203823, 2080407646, 4160815292, 5201019115, 10402038230, 20804076460]

約数ペア:

[(1, 20804076460), (2, 10402038230), (4, 5201019115), (5, 4160815292), (10, 2080407646), (20, 1040203823), (79, 263342740), (158, 131671370), (316, 65835685), (395, 52668548), (790, 26334274), (1580, 13167137)]