20834541

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25439}}^1$

素因数の和:25465

約数の個数: 24

約数和(自身を含む): 37040640

約数和(自身を除く): 16206099

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25439, 76317, 178073, 228951, 330707, 534219, 992121, 1602657, 2314949, 2976363, 6944847, 20834541]

約数ペア:

[(1, 20834541), (3, 6944847), (7, 2976363), (9, 2314949), (13, 1602657), (21, 992121), (39, 534219), (63, 330707), (91, 228951), (117, 178073), (273, 76317), (819, 25439)]