20455784294416

素因数分解:

$2^4\times {\mathrm{2791}}^1\times {\mathrm{458074711}}^1$

素因数の和:458077510

約数の個数: 20

約数和(自身を含む): 39647282473024

約数和(自身を除く): 19191498178608

約数列:

[1, 2, 4, 8, 16, 2791, 5582, 11164, 22328, 44656, 458074711, 916149422, 1832298844, 3664597688, 7329195376, 1278486518401, 2556973036802, 5113946073604, 10227892147208, 20455784294416]

約数ペア:

[(1, 20455784294416), (2, 10227892147208), (4, 5113946073604), (8, 2556973036802), (16, 1278486518401), (2791, 7329195376), (5582, 3664597688), (11164, 1832298844), (22328, 916149422), (44656, 458074711)]