20128251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{46919}}^1$

素因数の和:46946

約数の個数: 16

約数和(自身を含む): 31530240

約数和(自身を除く): 11401989

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 46919, 140757, 516109, 609947, 1548327, 1829841, 6709417, 20128251]

約数ペア:

[(1, 20128251), (3, 6709417), (11, 1829841), (13, 1548327), (33, 609947), (39, 516109), (143, 140757), (429, 46919)]