20557048

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{54673}}^1$

素因数の和:54726

約数の個数: 16

約数和(自身を含む): 39365280

約数和(自身を除く): 18808232

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 54673, 109346, 218692, 437384, 2569631, 5139262, 10278524, 20557048]

約数ペア:

[(1, 20557048), (2, 10278524), (4, 5139262), (8, 2569631), (47, 437384), (94, 218692), (188, 109346), (376, 54673)]