20783090210

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4936601}}^1$

素因数の和:4937029

約数の個数: 16

約数和(自身を含む): 37498428792

約数和(自身を除く): 16715338582

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4936601, 9873202, 24683005, 49366010, 2078309021, 4156618042, 10391545105, 20783090210]

約数ペア:

[(1, 20783090210), (2, 10391545105), (5, 4156618042), (10, 2078309021), (421, 49366010), (842, 24683005), (2105, 9873202), (4210, 4936601)]