11664020

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{907}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 24559584

約数和(自身を除く): 12895564

約数列:

[1, 2, 4, 5, 10, 20, 643, 907, 1286, 1814, 2572, 3215, 3628, 4535, 6430, 9070, 12860, 18140, 583201, 1166402, 2332804, 2916005, 5832010, 11664020]

約数ペア:

[(1, 11664020), (2, 5832010), (4, 2916005), (5, 2332804), (10, 1166402), (20, 583201), (643, 18140), (907, 12860), (1286, 9070), (1814, 6430), (2572, 4535), (3215, 3628)]