20452581

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4951}}^1$

素因数の和:4983

約数の個数: 24

約数和(自身を含む): 32445504

約数和(自身を除く): 11992923

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4951, 14853, 44559, 84167, 133677, 252501, 401031, 757503, 1203093, 2272509, 6817527, 20452581]

約数ペア:

[(1, 20452581), (3, 6817527), (9, 2272509), (17, 1203093), (27, 757503), (51, 401031), (81, 252501), (153, 133677), (243, 84167), (459, 44559), (1377, 14853), (4131, 4951)]