20556451

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 22686048

約数和(自身を除く): 2129597

約数列:

[1, 17, 43, 61, 461, 731, 1037, 2623, 7837, 19823, 28121, 44591, 336991, 478057, 1209203, 20556451]

約数ペア:

[(1, 20556451), (17, 1209203), (43, 478057), (61, 336991), (461, 44591), (731, 28121), (1037, 19823), (2623, 7837)]