12820784

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{27631}}^1$

素因数の和:27668

約数の個数: 20

約数和(自身を含む): 25697760

約数和(自身を除く): 12876976

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 27631, 55262, 110524, 221048, 442096, 801299, 1602598, 3205196, 6410392, 12820784]

約数ペア:

[(1, 12820784), (2, 6410392), (4, 3205196), (8, 1602598), (16, 801299), (29, 442096), (58, 221048), (116, 110524), (232, 55262), (464, 27631)]