20891826

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6709}}^1$

素因数の和:6890

約数の個数: 24

約数和(自身を含む): 45534060

約数和(自身を除く): 24642234

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6709, 13418, 20127, 40254, 60381, 120762, 1160657, 2321314, 3481971, 6963942, 10445913, 20891826]

約数ペア:

[(1, 20891826), (2, 10445913), (3, 6963942), (6, 3481971), (9, 2321314), (18, 1160657), (173, 120762), (346, 60381), (519, 40254), (1038, 20127), (1557, 13418), (3114, 6709)]