20457894

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{64333}}^1$

素因数の和:64391

約数の個数: 16

約数和(自身を含む): 41688432

約数和(自身を除く): 21230538

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 64333, 128666, 192999, 385998, 3409649, 6819298, 10228947, 20457894]

約数ペア:

[(1, 20457894), (2, 10228947), (3, 6819298), (6, 3409649), (53, 385998), (106, 192999), (159, 128666), (318, 64333)]