20845449

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 30825600

約数和(自身を除く): 9980151

約数列:

[1, 3, 9, 103, 113, 199, 309, 339, 597, 927, 1017, 1791, 11639, 20497, 22487, 34917, 61491, 67461, 104751, 184473, 202383, 2316161, 6948483, 20845449]

約数ペア:

[(1, 20845449), (3, 6948483), (9, 2316161), (103, 202383), (113, 184473), (199, 104751), (309, 67461), (339, 61491), (597, 34917), (927, 22487), (1017, 20497), (1791, 11639)]