20959169

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{929}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 26248320

約数和(自身を除く): 5289151

約数列:

[1, 7, 11, 77, 293, 929, 2051, 3223, 6503, 10219, 22561, 71533, 272197, 1905379, 2994167, 20959169]

約数ペア:

[(1, 20959169), (7, 2994167), (11, 1905379), (77, 272197), (293, 71533), (929, 22561), (2051, 10219), (3223, 6503)]