20445603

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 27795456

約数和(自身を除く): 7349853

約数列:

[1, 3, 103, 127, 309, 381, 521, 1563, 13081, 39243, 53663, 66167, 160989, 198501, 6815201, 20445603]

約数ペア:

[(1, 20445603), (3, 6815201), (103, 198501), (127, 160989), (309, 66167), (381, 53663), (521, 39243), (1563, 13081)]