20708404

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14341}}^1$

素因数の和:14383

約数の個数: 18

約数和(自身を含む): 38250114

約数和(自身を除く): 17541710

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14341, 28682, 57364, 272479, 544958, 1089916, 5177101, 10354202, 20708404]

約数ペア:

[(1, 20708404), (2, 10354202), (4, 5177101), (19, 1089916), (38, 544958), (76, 272479), (361, 57364), (722, 28682), (1444, 14341)]