20760784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117959}}^1$

素因数の和:117978

約数の個数: 20

約数和(自身を含む): 43881120

約数和(自身を除く): 23120336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117959, 235918, 471836, 943672, 1297549, 1887344, 2595098, 5190196, 10380392, 20760784]

約数ペア:

[(1, 20760784), (2, 10380392), (4, 5190196), (8, 2595098), (11, 1887344), (16, 1297549), (22, 943672), (44, 471836), (88, 235918), (176, 117959)]