20520064

素因数分解:

$2^7\times {\mathrm{160313}}^1$

素因数の和:160327

約数の個数: 16

約数和(自身を含む): 40880070

約数和(自身を除く): 20360006

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 160313, 320626, 641252, 1282504, 2565008, 5130016, 10260032, 20520064]

約数ペア:

[(1, 20520064), (2, 10260032), (4, 5130016), (8, 2565008), (16, 1282504), (32, 641252), (64, 320626), (128, 160313)]