20167991709

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{27983}}^1$

素因数の和:28217

約数の個数: 32

約数和(自身を含む): 28447862784

約数和(自身を除く): 8279871075

約数列:

[1, 3, 37, 43, 111, 129, 151, 453, 1591, 4773, 5587, 6493, 16761, 19479, 27983, 83949, 240241, 720723, 1035371, 1203269, 3106113, 3609807, 4225433, 12676299, 44520953, 133562859, 156341021, 181693619, 469023063, 545080857, 6722663903, 20167991709]

約数ペア:

[(1, 20167991709), (3, 6722663903), (37, 545080857), (43, 469023063), (111, 181693619), (129, 156341021), (151, 133562859), (453, 44520953), (1591, 12676299), (4773, 4225433), (5587, 3609807), (6493, 3106113), (16761, 1203269), (19479, 1035371), (27983, 720723), (83949, 240241)]