20940248

素因数分解:

$2^3\times 7^2\times {\mathrm{53419}}^1$

素因数の和:53439

約数の個数: 24

約数和(自身を含む): 45674100

約数和(自身を除く): 24733852

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53419, 106838, 213676, 373933, 427352, 747866, 1495732, 2617531, 2991464, 5235062, 10470124, 20940248]

約数ペア:

[(1, 20940248), (2, 10470124), (4, 5235062), (7, 2991464), (8, 2617531), (14, 1495732), (28, 747866), (49, 427352), (56, 373933), (98, 213676), (196, 106838), (392, 53419)]