20896784

素因数分解:

$2^4\times {\mathrm{1123}}^1\times {\mathrm{1163}}^1$

素因数の和:2294

約数の個数: 20

約数和(自身を含む): 40558416

約数和(自身を除く): 19661632

約数列:

[1, 2, 4, 8, 16, 1123, 1163, 2246, 2326, 4492, 4652, 8984, 9304, 17968, 18608, 1306049, 2612098, 5224196, 10448392, 20896784]

約数ペア:

[(1, 20896784), (2, 10448392), (4, 5224196), (8, 2612098), (16, 1306049), (1123, 18608), (1163, 17968), (2246, 9304), (2326, 8984), (4492, 4652)]