20160783

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 29837808

約数和(自身を除く): 9677025

約数列:

[1, 3, 9, 83, 137, 197, 249, 411, 591, 747, 1233, 1773, 11371, 16351, 26989, 34113, 49053, 80967, 102339, 147159, 242901, 2240087, 6720261, 20160783]

約数ペア:

[(1, 20160783), (3, 6720261), (9, 2240087), (83, 242901), (137, 147159), (197, 102339), (249, 80967), (411, 49053), (591, 34113), (747, 26989), (1233, 16351), (1773, 11371)]