20451811000340

素因数分解:

$2^2\times 5^1\times {\mathrm{1022590550017}}^1$

素因数の和:1022590550026

約数の個数: 12

約数和(自身を含む): 42948803100756

約数和(自身を除く): 22496992100416

約数列:

[1, 2, 4, 5, 10, 20, 1022590550017, 2045181100034, 4090362200068, 5112952750085, 10225905500170, 20451811000340]

約数ペア:

[(1, 20451811000340), (2, 10225905500170), (4, 5112952750085), (5, 4090362200068), (10, 2045181100034), (20, 1022590550017)]