20453728

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33641}}^1$

素因数の和:33670

約数の個数: 24

約数和(自身を含む): 42388920

約数和(自身を除く): 21935192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33641, 67282, 134564, 269128, 538256, 639179, 1076512, 1278358, 2556716, 5113432, 10226864, 20453728]

約数ペア:

[(1, 20453728), (2, 10226864), (4, 5113432), (8, 2556716), (16, 1278358), (19, 1076512), (32, 639179), (38, 538256), (76, 269128), (152, 134564), (304, 67282), (608, 33641)]