20520461377

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{5503}}^1$

素因数の和:6053

約数の個数: 32

約数和(自身を含む): 24066129920

約数和(自身を除く): 3545668543

約数列:

[1, 13, 19, 31, 247, 403, 487, 589, 5503, 6331, 7657, 9253, 15097, 71539, 104557, 120289, 170593, 196261, 286843, 1359241, 2217709, 2679961, 3241267, 3728959, 34839493, 42136471, 50919259, 83078791, 661950367, 1080024283, 1578497029, 20520461377]

約数ペア:

[(1, 20520461377), (13, 1578497029), (19, 1080024283), (31, 661950367), (247, 83078791), (403, 50919259), (487, 42136471), (589, 34839493), (5503, 3728959), (6331, 3241267), (7657, 2679961), (9253, 2217709), (15097, 1359241), (71539, 286843), (104557, 196261), (120289, 170593)]