20496509

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2620

約数の個数: 16

約数和(自身を含む): 24235200

約数和(自身を除く): 3738691

約数列:

[1, 11, 17, 43, 187, 473, 731, 2549, 8041, 28039, 43333, 109607, 476663, 1205677, 1863319, 20496509]

約数ペア:

[(1, 20496509), (11, 1863319), (17, 1205677), (43, 476663), (187, 109607), (473, 43333), (731, 28039), (2549, 8041)]