20706712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199103}}^1$

素因数の和:199122

約数の個数: 16

約数和(自身を含む): 41811840

約数和(自身を除く): 21105128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199103, 398206, 796412, 1592824, 2588339, 5176678, 10353356, 20706712]

約数ペア:

[(1, 20706712), (2, 10353356), (4, 5176678), (8, 2588339), (13, 1592824), (26, 796412), (52, 398206), (104, 199103)]