20707336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199109}}^1$

素因数の和:199128

約数の個数: 16

約数和(自身を含む): 41813100

約数和(自身を除く): 21105764

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199109, 398218, 796436, 1592872, 2588417, 5176834, 10353668, 20707336]

約数ペア:

[(1, 20707336), (2, 10353668), (4, 5176834), (8, 2588417), (13, 1592872), (26, 796436), (52, 398218), (104, 199109)]