20121482493

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2438081}}^1$

素因数の和:2438225

約数の個数: 24

約数和(自身を含む): 33469989696

約数和(自身を除く): 13348507203

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 2438081, 7314243, 17066567, 21942729, 51199701, 153599103, 319388611, 958165833, 2235720277, 2874497499, 6707160831, 20121482493]

約数ペア:

[(1, 20121482493), (3, 6707160831), (7, 2874497499), (9, 2235720277), (21, 958165833), (63, 319388611), (131, 153599103), (393, 51199701), (917, 21942729), (1179, 17066567), (2751, 7314243), (8253, 2438081)]