20109771

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10691}}^1$

素因数の和:10727

約数の個数: 24

約数和(自身を含む): 33359040

約数和(自身を除く): 13249269

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10691, 32073, 96219, 117601, 203129, 352803, 609387, 1058409, 1828161, 2234419, 6703257, 20109771]

約数ペア:

[(1, 20109771), (3, 6703257), (9, 2234419), (11, 1828161), (19, 1058409), (33, 609387), (57, 352803), (99, 203129), (171, 117601), (209, 96219), (627, 32073), (1881, 10691)]