20177031465

素因数分解:

$3^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{546137}}^1$

素因数の和:546969

約数の個数: 24

約数和(自身を含む): 35016184008

約数和(自身を除く): 14839152543

約数列:

[1, 3, 5, 9, 15, 45, 821, 2463, 4105, 7389, 12315, 36945, 546137, 1638411, 2730685, 4915233, 8192055, 24576165, 448378477, 1345135431, 2241892385, 4035406293, 6725677155, 20177031465]

約数ペア:

[(1, 20177031465), (3, 6725677155), (5, 4035406293), (9, 2241892385), (15, 1345135431), (45, 448378477), (821, 24576165), (2463, 8192055), (4105, 4915233), (7389, 2730685), (12315, 1638411), (36945, 546137)]