20989849672

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21683729}}^1$

素因数の和:21683757

約数の個数: 24

約数和(自身を含む): 43259041350

約数和(自身を除く): 22269191678

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21683729, 43367458, 86734916, 173469832, 238521019, 477042038, 954084076, 1908168152, 2623731209, 5247462418, 10494924836, 20989849672]

約数ペア:

[(1, 20989849672), (2, 10494924836), (4, 5247462418), (8, 2623731209), (11, 1908168152), (22, 954084076), (44, 477042038), (88, 238521019), (121, 173469832), (242, 86734916), (484, 43367458), (968, 21683729)]