20203060

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1571}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 42519456

約数和(自身を除く): 22316396

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 1571, 2572, 3142, 3215, 6284, 6430, 7855, 12860, 15710, 31420, 1010153, 2020306, 4040612, 5050765, 10101530, 20203060]

約数ペア:

[(1, 20203060), (2, 10101530), (4, 5050765), (5, 4040612), (10, 2020306), (20, 1010153), (643, 31420), (1286, 15710), (1571, 12860), (2572, 7855), (3142, 6430), (3215, 6284)]