20802091216

素因数分解:

$2^4\times {\mathrm{1033}}^1\times {\mathrm{1258597}}^1$

素因数の和:1259638

約数の個数: 20

約数和(自身を含む): 40343100292

約数和(自身を除く): 19541009076

約数列:

[1, 2, 4, 8, 16, 1033, 2066, 4132, 8264, 16528, 1258597, 2517194, 5034388, 10068776, 20137552, 1300130701, 2600261402, 5200522804, 10401045608, 20802091216]

約数ペア:

[(1, 20802091216), (2, 10401045608), (4, 5200522804), (8, 2600261402), (16, 1300130701), (1033, 20137552), (2066, 10068776), (4132, 5034388), (8264, 2517194), (16528, 1258597)]