20087446

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3803}}^1$

素因数の和:3963

約数の個数: 16

約数和(自身を含む): 31953600

約数和(自身を除く): 11866154

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3803, 5282, 7606, 72257, 144514, 528617, 1057234, 10043723, 20087446]

約数ペア:

[(1, 20087446), (2, 10043723), (19, 1057234), (38, 528617), (139, 144514), (278, 72257), (2641, 7606), (3803, 5282)]