20798406

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6679}}^1$

素因数の和:6860

約数の個数: 24

約数和(自身を含む): 45330480

約数和(自身を除く): 24532074

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6679, 13358, 20037, 40074, 60111, 120222, 1155467, 2310934, 3466401, 6932802, 10399203, 20798406]

約数ペア:

[(1, 20798406), (2, 10399203), (3, 6932802), (6, 3466401), (9, 2310934), (18, 1155467), (173, 120222), (346, 60111), (519, 40074), (1038, 20037), (1557, 13358), (3114, 6679)]