20145969837

素因数分解:

$3^4\times 7^1\times {\mathrm{839}}^1\times {\mathrm{42349}}^1$

素因数の和:43207

約数の個数: 40

約数和(自身を含む): 34435632000

約数和(自身を除く): 14289662163

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 839, 2517, 5873, 7551, 17619, 22653, 42349, 52857, 67959, 127047, 158571, 296443, 381141, 475713, 889329, 1143423, 2667987, 3430269, 8003961, 24011883, 35530811, 106592433, 248715677, 319777299, 746147031, 959331897, 2238441093, 2877995691, 6715323279, 20145969837]

約数ペア:

[(1, 20145969837), (3, 6715323279), (7, 2877995691), (9, 2238441093), (21, 959331897), (27, 746147031), (63, 319777299), (81, 248715677), (189, 106592433), (567, 35530811), (839, 24011883), (2517, 8003961), (5873, 3430269), (7551, 2667987), (17619, 1143423), (22653, 889329), (42349, 475713), (52857, 381141), (67959, 296443), (127047, 158571)]