20503364

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1433}}^1$

素因数の和:1524

約数の個数: 36

約数和(自身を含む): 42340284

約数和(自身を除く): 21836920

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 1433, 2044, 2866, 3577, 5732, 7154, 10031, 14308, 20062, 40124, 70217, 104609, 140434, 209218, 280868, 418436, 732263, 1464526, 2929052, 5125841, 10251682, 20503364]

約数ペア:

[(1, 20503364), (2, 10251682), (4, 5125841), (7, 2929052), (14, 1464526), (28, 732263), (49, 418436), (73, 280868), (98, 209218), (146, 140434), (196, 104609), (292, 70217), (511, 40124), (1022, 20062), (1433, 14308), (2044, 10031), (2866, 7154), (3577, 5732)]