20328055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2659}}^1$

素因数の和:2814

約数の個数: 16

約数和(自身を含む): 26812800

約数和(自身を除く): 6484745

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2659, 7645, 13295, 29249, 146245, 369601, 1848005, 4065611, 20328055]

約数ペア:

[(1, 20328055), (5, 4065611), (11, 1848005), (55, 369601), (139, 146245), (695, 29249), (1529, 13295), (2659, 7645)]