20565944

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2029}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 44335200

約数和(自身を除く): 23769256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2029, 2534, 4058, 5068, 8116, 10136, 14203, 16232, 28406, 56812, 113624, 367249, 734498, 1468996, 2570743, 2937992, 5141486, 10282972, 20565944]

約数ペア:

[(1, 20565944), (2, 10282972), (4, 5141486), (7, 2937992), (8, 2570743), (14, 1468996), (28, 734498), (56, 367249), (181, 113624), (362, 56812), (724, 28406), (1267, 16232), (1448, 14203), (2029, 10136), (2534, 8116), (4058, 5068)]