20808050159

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 24919695360

約数和(自身を除く): 4111645201

約数列:

[1, 13, 23, 29, 71, 73, 299, 377, 463, 667, 923, 949, 1633, 1679, 2059, 2117, 5183, 6019, 8671, 10649, 13427, 21229, 21827, 26767, 27521, 32873, 33799, 47357, 48691, 67379, 119209, 138437, 150307, 174551, 308821, 427349, 439387, 615641, 632983, 756079, 777377, 953317, 980171, 1549717, 1953991, 2399729, 3457061, 4014673, 9829027, 10105901, 12393121, 12742223, 21926291, 22543933, 31196477, 44941793, 55193767, 69592141, 285041783, 293071129, 717518971, 904697833, 1600619243, 20808050159]

約数ペア:

[(1, 20808050159), (13, 1600619243), (23, 904697833), (29, 717518971), (71, 293071129), (73, 285041783), (299, 69592141), (377, 55193767), (463, 44941793), (667, 31196477), (923, 22543933), (949, 21926291), (1633, 12742223), (1679, 12393121), (2059, 10105901), (2117, 9829027), (5183, 4014673), (6019, 3457061), (8671, 2399729), (10649, 1953991), (13427, 1549717), (21229, 980171), (21827, 953317), (26767, 777377), (27521, 756079), (32873, 632983), (33799, 615641), (47357, 439387), (48691, 427349), (67379, 308821), (119209, 174551), (138437, 150307)]