20347858

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1061}}^1$

素因数の和:1329

約数の個数: 16

約数和(自身を含む): 31401216

約数和(自身を除く): 11053358

約数列:

[1, 2, 43, 86, 223, 446, 1061, 2122, 9589, 19178, 45623, 91246, 236603, 473206, 10173929, 20347858]

約数ペア:

[(1, 20347858), (2, 10173929), (43, 473206), (86, 236603), (223, 91246), (446, 45623), (1061, 19178), (2122, 9589)]