20778888567

素因数分解:

$3^1\times {\mathrm{463}}^1\times {\mathrm{827}}^1\times {\mathrm{18089}}^1$

素因数の和:19382

約数の個数: 16

約数和(自身を含む): 27800133120

約数和(自身を除く): 7021244553

約数列:

[1, 3, 463, 827, 1389, 2481, 18089, 54267, 382901, 1148703, 8375207, 14959603, 25125621, 44878809, 6926296189, 20778888567]

約数ペア:

[(1, 20778888567), (3, 6926296189), (463, 44878809), (827, 25125621), (1389, 14959603), (2481, 8375207), (18089, 1148703), (54267, 382901)]