20208087

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 31084560

約数和(自身を除く): 10876473

約数列:

[1, 3, 9, 17, 51, 153, 269, 491, 807, 1473, 2421, 4419, 4573, 8347, 13719, 25041, 41157, 75123, 132079, 396237, 1188711, 2245343, 6736029, 20208087]

約数ペア:

[(1, 20208087), (3, 6736029), (9, 2245343), (17, 1188711), (51, 396237), (153, 132079), (269, 75123), (491, 41157), (807, 25041), (1473, 13719), (2421, 8347), (4419, 4573)]