20550195

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26863}}^1$

素因数の和:26891

約数の個数: 24

約数和(自身を含む): 37717056

約数和(自身を除く): 17166861

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26863, 80589, 134315, 241767, 402945, 456671, 1208835, 1370013, 2283355, 4110039, 6850065, 20550195]

約数ペア:

[(1, 20550195), (3, 6850065), (5, 4110039), (9, 2283355), (15, 1370013), (17, 1208835), (45, 456671), (51, 402945), (85, 241767), (153, 134315), (255, 80589), (765, 26863)]