20761699

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4219}}^1$

素因数の和:4282

約数の個数: 16

約数和(自身を含む): 25657600

約数和(自身を除く): 4895901

約数列:

[1, 7, 19, 37, 133, 259, 703, 4219, 4921, 29533, 80161, 156103, 561127, 1092721, 2965957, 20761699]

約数ペア:

[(1, 20761699), (7, 2965957), (19, 1092721), (37, 561127), (133, 156103), (259, 80161), (703, 29533), (4219, 4921)]