20899681412

素因数分解:

$2^2\times {\mathrm{821}}^1\times {\mathrm{1823}}^1\times {\mathrm{3491}}^1$

素因数の和:6139

約数の個数: 24

約数和(自身を含む): 36649573632

約数和(自身を除く): 15749892220

約数列:

[1, 2, 4, 821, 1642, 1823, 3284, 3491, 3646, 6982, 7292, 13964, 1496683, 2866111, 2993366, 5732222, 5986732, 6364093, 11464444, 12728186, 25456372, 5224920353, 10449840706, 20899681412]

約数ペア:

[(1, 20899681412), (2, 10449840706), (4, 5224920353), (821, 25456372), (1642, 12728186), (1823, 11464444), (3284, 6364093), (3491, 5986732), (3646, 5732222), (6982, 2993366), (7292, 2866111), (13964, 1496683)]