20875767

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 30898560

約数和(自身を除く): 10022793

約数列:

[1, 3, 11, 33, 121, 131, 363, 393, 439, 1317, 1441, 4323, 4829, 14487, 15851, 47553, 53119, 57509, 159357, 172527, 632599, 1897797, 6958589, 20875767]

約数ペア:

[(1, 20875767), (3, 6958589), (11, 1897797), (33, 632599), (121, 172527), (131, 159357), (363, 57509), (393, 53119), (439, 47553), (1317, 15851), (1441, 14487), (4323, 4829)]