20879663623

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{941}}^1\times {\mathrm{2237}}^1$

素因数の和:3307

約数の個数: 32

約数和(自身を含む): 25972974720

約数和(自身を除く): 5093311097

約数列:

[1, 7, 13, 91, 109, 763, 941, 1417, 2237, 6587, 9919, 12233, 15659, 29081, 85631, 102569, 203567, 243833, 717983, 1333397, 1706831, 2105017, 3169829, 9333779, 14735119, 22188803, 27365221, 191556547, 229446853, 1606127971, 2982809089, 20879663623]

約数ペア:

[(1, 20879663623), (7, 2982809089), (13, 1606127971), (91, 229446853), (109, 191556547), (763, 27365221), (941, 22188803), (1417, 14735119), (2237, 9333779), (6587, 3169829), (9919, 2105017), (12233, 1706831), (15659, 1333397), (29081, 717983), (85631, 243833), (102569, 203567)]