20713152009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{1783}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 31855104000

約数和(自身を除く): 11141951991

約数列:

[1, 3, 11, 29, 33, 61, 87, 183, 199, 319, 597, 671, 957, 1769, 1783, 2013, 2189, 5307, 5349, 5771, 6567, 12139, 17313, 19459, 19613, 36417, 51707, 58377, 58839, 63481, 108763, 133529, 155121, 190443, 326289, 352031, 354817, 400587, 568777, 1056093, 1064451, 1196393, 1706331, 3154127, 3589179, 3872341, 3902987, 9462381, 10289693, 11617023, 11708961, 21643837, 30869079, 34695397, 64931511, 104086191, 113186623, 238082207, 339559869, 627671273, 714246621, 1883013819, 6904384003, 20713152009]

約数ペア:

[(1, 20713152009), (3, 6904384003), (11, 1883013819), (29, 714246621), (33, 627671273), (61, 339559869), (87, 238082207), (183, 113186623), (199, 104086191), (319, 64931511), (597, 34695397), (671, 30869079), (957, 21643837), (1769, 11708961), (1783, 11617023), (2013, 10289693), (2189, 9462381), (5307, 3902987), (5349, 3872341), (5771, 3589179), (6567, 3154127), (12139, 1706331), (17313, 1196393), (19459, 1064451), (19613, 1056093), (36417, 568777), (51707, 400587), (58377, 354817), (58839, 352031), (63481, 326289), (108763, 190443), (133529, 155121)]