20342184784

素因数分解:

$2^4\times {\mathrm{10789}}^1\times {\mathrm{117841}}^1$

素因数の和:128638

約数の個数: 20

約数和(自身を含む): 39416970580

約数和(自身を除く): 19074785796

約数列:

[1, 2, 4, 8, 16, 10789, 21578, 43156, 86312, 117841, 172624, 235682, 471364, 942728, 1885456, 1271386549, 2542773098, 5085546196, 10171092392, 20342184784]

約数ペア:

[(1, 20342184784), (2, 10171092392), (4, 5085546196), (8, 2542773098), (16, 1271386549), (10789, 1885456), (21578, 942728), (43156, 471364), (86312, 235682), (117841, 172624)]