20758712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199603}}^1$

素因数の和:199622

約数の個数: 16

約数和(自身を含む): 41916840

約数和(自身を除く): 21158128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199603, 399206, 798412, 1596824, 2594839, 5189678, 10379356, 20758712]

約数ペア:

[(1, 20758712), (2, 10379356), (4, 5189678), (8, 2594839), (13, 1596824), (26, 798412), (52, 399206), (104, 199603)]