20807858674

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1\times {\mathrm{199267}}^1$

素因数の和:199857

約数の個数: 16

約数和(自身を含む): 31564051200

約数和(自身を除く): 10756192526

約数列:

[1, 2, 109, 218, 479, 958, 52211, 104422, 199267, 398534, 21720103, 43440206, 95448893, 190897786, 10403929337, 20807858674]

約数ペア:

[(1, 20807858674), (2, 10403929337), (109, 190897786), (218, 95448893), (479, 43440206), (958, 21720103), (52211, 398534), (104422, 199267)]