20740804552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199430813}}^1$

素因数の和:199430832

約数の個数: 16

約数和(自身を含む): 41880470940

約数和(自身を除く): 21139666388

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199430813, 398861626, 797723252, 1595446504, 2592600569, 5185201138, 10370402276, 20740804552]

約数ペア:

[(1, 20740804552), (2, 10370402276), (4, 5185201138), (8, 2592600569), (13, 1595446504), (26, 797723252), (52, 398861626), (104, 199430813)]