20854647

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11087}}^1$

素因数の和:11123

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 13739913

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11087, 33261, 99783, 121957, 210653, 365871, 631959, 1097613, 1895877, 2317183, 6951549, 20854647]

約数ペア:

[(1, 20854647), (3, 6951549), (9, 2317183), (11, 1895877), (19, 1097613), (33, 631959), (57, 365871), (99, 210653), (171, 121957), (209, 99783), (627, 33261), (1881, 11087)]