20667978

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31033}}^1$

素因数の和:31078

約数の個数: 24

約数和(自身を含む): 45992388

約数和(自身を除く): 25324410

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31033, 62066, 93099, 186198, 279297, 558594, 1148221, 2296442, 3444663, 6889326, 10333989, 20667978]

約数ペア:

[(1, 20667978), (2, 10333989), (3, 6889326), (6, 3444663), (9, 2296442), (18, 1148221), (37, 558594), (74, 279297), (111, 186198), (222, 93099), (333, 62066), (666, 31033)]