20765740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35803}}^1$

素因数の和:35841

約数の個数: 24

約数和(自身を含む): 45113040

約数和(自身を除く): 24347300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35803, 71606, 143212, 179015, 358030, 716060, 1038287, 2076574, 4153148, 5191435, 10382870, 20765740]

約数ペア:

[(1, 20765740), (2, 10382870), (4, 5191435), (5, 4153148), (10, 2076574), (20, 1038287), (29, 716060), (58, 358030), (116, 179015), (145, 143212), (290, 71606), (580, 35803)]