20441905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21863}}^1$

素因数の和:21896

約数の個数: 16

約数和(自身を含む): 28335744

約数和(自身を除く): 7893839

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21863, 109315, 240493, 371671, 1202465, 1858355, 4088381, 20441905]

約数ペア:

[(1, 20441905), (5, 4088381), (11, 1858355), (17, 1202465), (55, 371671), (85, 240493), (187, 109315), (935, 21863)]