20209617

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5743}}^1$

素因数の和:5789

約数の個数: 24

約数和(自身を含む): 32258304

約数和(自身を除く): 12048687

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5743, 17229, 51687, 97631, 132089, 292893, 396267, 878679, 1188801, 2245513, 6736539, 20209617]

約数ペア:

[(1, 20209617), (3, 6736539), (9, 2245513), (17, 1188801), (23, 878679), (51, 396267), (69, 292893), (153, 132089), (207, 97631), (391, 51687), (1173, 17229), (3519, 5743)]