20213255716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{4159}}^1\times {\mathrm{63949}}^1$

素因数の和:68131

約数の個数: 24

約数和(自身を含む): 37244480000

約数和(自身を除く): 17031224284

約数列:

[1, 2, 4, 19, 38, 76, 4159, 8318, 16636, 63949, 79021, 127898, 158042, 255796, 316084, 1215031, 2430062, 4860124, 265963891, 531927782, 1063855564, 5053313929, 10106627858, 20213255716]

約数ペア:

[(1, 20213255716), (2, 10106627858), (4, 5053313929), (19, 1063855564), (38, 531927782), (76, 265963891), (4159, 4860124), (8318, 2430062), (16636, 1215031), (63949, 316084), (79021, 255796), (127898, 158042)]