20798933778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{657653}}^1$

素因数の和:657919

約数の個数: 48

約数和(自身を含む): 51707388096

約数和(自身を除く): 30908454318

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 251, 502, 753, 1506, 1757, 2259, 3514, 4518, 5271, 10542, 15813, 31626, 657653, 1315306, 1972959, 3945918, 4603571, 5918877, 9207142, 11837754, 13810713, 27621426, 41432139, 82864278, 165070903, 330141806, 495212709, 990425418, 1155496321, 1485638127, 2310992642, 2971276254, 3466488963, 6932977926, 10399466889, 20798933778]

約数ペア:

[(1, 20798933778), (2, 10399466889), (3, 6932977926), (6, 3466488963), (7, 2971276254), (9, 2310992642), (14, 1485638127), (18, 1155496321), (21, 990425418), (42, 495212709), (63, 330141806), (126, 165070903), (251, 82864278), (502, 41432139), (753, 27621426), (1506, 13810713), (1757, 11837754), (2259, 9207142), (3514, 5918877), (4518, 4603571), (5271, 3945918), (10542, 1972959), (15813, 1315306), (31626, 657653)]