206855380

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{9161}}^1$

素因数の和:10299

約数の個数: 24

約数和(自身を含む): 434828520

約数和(自身を除く): 227973140

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 9161, 11290, 18322, 22580, 36644, 45805, 91610, 183220, 10342769, 20685538, 41371076, 51713845, 103427690, 206855380]

約数ペア:

[(1, 206855380), (2, 103427690), (4, 51713845), (5, 41371076), (10, 20685538), (20, 10342769), (1129, 183220), (2258, 91610), (4516, 45805), (5645, 36644), (9161, 22580), (11290, 18322)]