20472460

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2137}}^1$

素因数の和:2625

約数の個数: 24

約数和(自身を含む): 43102080

約数和(自身を除く): 22629620

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2137, 2395, 4274, 4790, 8548, 9580, 10685, 21370, 42740, 1023623, 2047246, 4094492, 5118115, 10236230, 20472460]

約数ペア:

[(1, 20472460), (2, 10236230), (4, 5118115), (5, 4094492), (10, 2047246), (20, 1023623), (479, 42740), (958, 21370), (1916, 10685), (2137, 9580), (2395, 8548), (4274, 4790)]