20953026

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10487}}^1$

素因数の和:10535

約数の個数: 32

約数和(自身を含む): 47825280

約数和(自身を除く): 26872254

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10487, 20974, 31461, 62922, 94383, 188766, 283149, 388019, 566298, 776038, 1164057, 2328114, 3492171, 6984342, 10476513, 20953026]

約数ペア:

[(1, 20953026), (2, 10476513), (3, 6984342), (6, 3492171), (9, 2328114), (18, 1164057), (27, 776038), (37, 566298), (54, 388019), (74, 283149), (111, 188766), (222, 94383), (333, 62922), (666, 31461), (999, 20974), (1998, 10487)]