20886656

素因数分解:

$2^7\times 7^1\times {\mathrm{23311}}^1$

素因数の和:23332

約数の個数: 32

約数和(自身を含む): 47556480

約数和(自身を除く): 26669824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23311, 46622, 93244, 163177, 186488, 326354, 372976, 652708, 745952, 1305416, 1491904, 2610832, 2983808, 5221664, 10443328, 20886656]

約数ペア:

[(1, 20886656), (2, 10443328), (4, 5221664), (7, 2983808), (8, 2610832), (14, 1491904), (16, 1305416), (28, 745952), (32, 652708), (56, 372976), (64, 326354), (112, 186488), (128, 163177), (224, 93244), (448, 46622), (896, 23311)]