20537384

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1427}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 44210880

約数和(自身を除く): 23673496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1427, 1799, 2056, 2854, 3598, 5708, 7196, 9989, 11416, 14392, 19978, 39956, 79912, 366739, 733478, 1466956, 2567173, 2933912, 5134346, 10268692, 20537384]

約数ペア:

[(1, 20537384), (2, 10268692), (4, 5134346), (7, 2933912), (8, 2567173), (14, 1466956), (28, 733478), (56, 366739), (257, 79912), (514, 39956), (1028, 19978), (1427, 14392), (1799, 11416), (2056, 9989), (2854, 7196), (3598, 5708)]