20785893289

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1\times {\mathrm{1901}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 25018755840

約数和(自身を除く): 4232862551

約数列:

[1, 7, 29, 61, 203, 427, 883, 1769, 1901, 6181, 12383, 13307, 25607, 53863, 55129, 115961, 179249, 377041, 385903, 811727, 1562027, 1678583, 3362869, 10934189, 11750081, 23540083, 48678907, 102393563, 340752349, 716754941, 2969413327, 20785893289]

約数ペア:

[(1, 20785893289), (7, 2969413327), (29, 716754941), (61, 340752349), (203, 102393563), (427, 48678907), (883, 23540083), (1769, 11750081), (1901, 10934189), (6181, 3362869), (12383, 1678583), (13307, 1562027), (25607, 811727), (53863, 385903), (55129, 377041), (115961, 179249)]