20472678

素因数分解:

$2^1\times 3^2\times {\mathrm{881}}^1\times {\mathrm{1291}}^1$

素因数の和:2180

約数の個数: 24

約数和(自身を含む): 44442216

約数和(自身を除く): 23969538

約数列:

[1, 2, 3, 6, 9, 18, 881, 1291, 1762, 2582, 2643, 3873, 5286, 7746, 7929, 11619, 15858, 23238, 1137371, 2274742, 3412113, 6824226, 10236339, 20472678]

約数ペア:

[(1, 20472678), (2, 10236339), (3, 6824226), (6, 3412113), (9, 2274742), (18, 1137371), (881, 23238), (1291, 15858), (1762, 11619), (2582, 7929), (2643, 7746), (3873, 5286)]