20776940

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3319}}^1$

素因数の和:3641

約数の個数: 24

約数和(自身を含む): 43784160

約数和(自身を除く): 23007220

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3319, 6260, 6638, 13276, 16595, 33190, 66380, 1038847, 2077694, 4155388, 5194235, 10388470, 20776940]

約数ペア:

[(1, 20776940), (2, 10388470), (4, 5194235), (5, 4155388), (10, 2077694), (20, 1038847), (313, 66380), (626, 33190), (1252, 16595), (1565, 13276), (3130, 6638), (3319, 6260)]