20724478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1439}}^1$

素因数の和:1839

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 12107522

約数列:

[1, 2, 19, 38, 379, 758, 1439, 2878, 7201, 14402, 27341, 54682, 545381, 1090762, 10362239, 20724478]

約数ペア:

[(1, 20724478), (2, 10362239), (19, 1090762), (38, 545381), (379, 54682), (758, 27341), (1439, 14402), (2878, 7201)]