20194459280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3767623}}^1$

素因数の和:3767703

約数の個数: 40

約数和(自身を含む): 47652908352

約数和(自身を除く): 27458449072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 3767623, 7535246, 15070492, 18838115, 30140984, 37676230, 60281968, 75352460, 150704920, 252430741, 301409840, 504861482, 1009722964, 1262153705, 2019445928, 2524307410, 4038891856, 5048614820, 10097229640, 20194459280]

約数ペア:

[(1, 20194459280), (2, 10097229640), (4, 5048614820), (5, 4038891856), (8, 2524307410), (10, 2019445928), (16, 1262153705), (20, 1009722964), (40, 504861482), (67, 301409840), (80, 252430741), (134, 150704920), (268, 75352460), (335, 60281968), (536, 37676230), (670, 30140984), (1072, 18838115), (1340, 15070492), (2680, 7535246), (5360, 3767623)]