20176976140

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2466623}}^1$

素因数の和:2467041

約数の個数: 24

約数和(自身を含む): 42475265280

約数和(自身を除く): 22298289140

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 2466623, 4933246, 9866492, 12333115, 24666230, 49332460, 1008848807, 2017697614, 4035395228, 5044244035, 10088488070, 20176976140]

約数ペア:

[(1, 20176976140), (2, 10088488070), (4, 5044244035), (5, 4035395228), (10, 2017697614), (20, 1008848807), (409, 49332460), (818, 24666230), (1636, 12333115), (2045, 9866492), (4090, 4933246), (8180, 2466623)]