20888118

素因数分解:

$2^1\times 3^4\times {\mathrm{128939}}^1$

素因数の和:128953

約数の個数: 20

約数和(自身を含む): 46805220

約数和(自身を除く): 25917102

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 128939, 257878, 386817, 773634, 1160451, 2320902, 3481353, 6962706, 10444059, 20888118]

約数ペア:

[(1, 20888118), (2, 10444059), (3, 6962706), (6, 3481353), (9, 2320902), (18, 1160451), (27, 773634), (54, 386817), (81, 257878), (162, 128939)]