20408939718

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{54631}}^1$

素因数の和:54797

約数の個数: 64

約数和(自身を含む): 44841945600

約数和(自身を除く): 24433005882

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 113, 114, 174, 226, 339, 551, 678, 1102, 1653, 2147, 3277, 3306, 4294, 6441, 6554, 9831, 12882, 19662, 54631, 62263, 109262, 124526, 163893, 186789, 327786, 373578, 1037989, 1584299, 2075978, 3113967, 3168598, 4752897, 6173303, 6227934, 9505794, 12346606, 18519909, 30101681, 37039818, 60203362, 90305043, 117292757, 179025787, 180610086, 234585514, 351878271, 358051574, 537077361, 703756542, 1074154722, 3401489953, 6802979906, 10204469859, 20408939718]

約数ペア:

[(1, 20408939718), (2, 10204469859), (3, 6802979906), (6, 3401489953), (19, 1074154722), (29, 703756542), (38, 537077361), (57, 358051574), (58, 351878271), (87, 234585514), (113, 180610086), (114, 179025787), (174, 117292757), (226, 90305043), (339, 60203362), (551, 37039818), (678, 30101681), (1102, 18519909), (1653, 12346606), (2147, 9505794), (3277, 6227934), (3306, 6173303), (4294, 4752897), (6441, 3168598), (6554, 3113967), (9831, 2075978), (12882, 1584299), (19662, 1037989), (54631, 373578), (62263, 327786), (109262, 186789), (124526, 163893)]