20747056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117881}}^1$

素因数の和:117900

約数の個数: 20

約数和(自身を含む): 43852104

約数和(自身を除く): 23105048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117881, 235762, 471524, 943048, 1296691, 1886096, 2593382, 5186764, 10373528, 20747056]

約数ペア:

[(1, 20747056), (2, 10373528), (4, 5186764), (8, 2593382), (11, 1886096), (16, 1296691), (22, 943048), (44, 471524), (88, 235762), (176, 117881)]