20448020

素因数分解:

$2^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1193}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 43026984

約数和(自身を除く): 22578964

約数列:

[1, 2, 4, 5, 10, 20, 857, 1193, 1714, 2386, 3428, 4285, 4772, 5965, 8570, 11930, 17140, 23860, 1022401, 2044802, 4089604, 5112005, 10224010, 20448020]

約数ペア:

[(1, 20448020), (2, 10224010), (4, 5112005), (5, 4089604), (10, 2044802), (20, 1022401), (857, 23860), (1193, 17140), (1714, 11930), (2386, 8570), (3428, 5965), (4285, 4772)]