20898651

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 30723840

約数和(自身を除く): 9825189

約数列:

[1, 3, 19, 23, 57, 69, 361, 437, 839, 1083, 1311, 2517, 8303, 15941, 19297, 24909, 47823, 57891, 302879, 366643, 908637, 1099929, 6966217, 20898651]

約数ペア:

[(1, 20898651), (3, 6966217), (19, 1099929), (23, 908637), (57, 366643), (69, 302879), (361, 57891), (437, 47823), (839, 24909), (1083, 19297), (1311, 15941), (2517, 8303)]