20168367

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 29694720

約数和(自身を除く): 9526353

約数列:

[1, 3, 19, 37, 57, 73, 111, 131, 219, 393, 703, 1387, 2109, 2489, 2701, 4161, 4847, 7467, 8103, 9563, 14541, 28689, 51319, 92093, 153957, 181697, 276279, 353831, 545091, 1061493, 6722789, 20168367]

約数ペア:

[(1, 20168367), (3, 6722789), (19, 1061493), (37, 545091), (57, 353831), (73, 276279), (111, 181697), (131, 153957), (219, 92093), (393, 51319), (703, 28689), (1387, 14541), (2109, 9563), (2489, 8103), (2701, 7467), (4161, 4847)]