20081046419

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1\times {\mathrm{727}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 23482368000

約数和(自身を除く): 3401321581

約数列:

[1, 7, 79, 199, 251, 553, 727, 1393, 1757, 5089, 15721, 19829, 49949, 57433, 110047, 138803, 144673, 182477, 349643, 402031, 1012711, 1277339, 3945971, 11429167, 14415683, 27621797, 36312923, 80004169, 100909781, 254190461, 2868720917, 20081046419]

約数ペア:

[(1, 20081046419), (7, 2868720917), (79, 254190461), (199, 100909781), (251, 80004169), (553, 36312923), (727, 27621797), (1393, 14415683), (1757, 11429167), (5089, 3945971), (15721, 1277339), (19829, 1012711), (49949, 402031), (57433, 349643), (110047, 182477), (138803, 144673)]