20815664072

素因数分解:

$2^3\times 7^1\times {\mathrm{9629}}^1\times {\mathrm{38603}}^1$

素因数の和:48245

約数の個数: 32

約数和(自身を含む): 44610782400

約数和(自身を除く): 23795118328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 9629, 19258, 38516, 38603, 67403, 77032, 77206, 134806, 154412, 269612, 270221, 308824, 539224, 540442, 1080884, 2161768, 371708287, 743416574, 1486833148, 2601958009, 2973666296, 5203916018, 10407832036, 20815664072]

約数ペア:

[(1, 20815664072), (2, 10407832036), (4, 5203916018), (7, 2973666296), (8, 2601958009), (14, 1486833148), (28, 743416574), (56, 371708287), (9629, 2161768), (19258, 1080884), (38516, 540442), (38603, 539224), (67403, 308824), (77032, 270221), (77206, 269612), (134806, 154412)]