20393181

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{14251}}^1$

素因数の和:14313

約数の個数: 16

約数和(自身を含む): 30784320

約数和(自身を除く): 10391139

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 14251, 42753, 128259, 384777, 755303, 2265909, 6797727, 20393181]

約数ペア:

[(1, 20393181), (3, 6797727), (9, 2265909), (27, 755303), (53, 384777), (159, 128259), (477, 42753), (1431, 14251)]