20438656

素因数分解:

$2^7\times 7^1\times {\mathrm{22811}}^1$

素因数の和:22832

約数の個数: 32

約数和(自身を含む): 46536480

約数和(自身を除く): 26097824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22811, 45622, 91244, 159677, 182488, 319354, 364976, 638708, 729952, 1277416, 1459904, 2554832, 2919808, 5109664, 10219328, 20438656]

約数ペア:

[(1, 20438656), (2, 10219328), (4, 5109664), (7, 2919808), (8, 2554832), (14, 1459904), (16, 1277416), (28, 729952), (32, 638708), (56, 364976), (64, 319354), (112, 182488), (128, 159677), (224, 91244), (448, 45622), (896, 22811)]