20735073

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 30956640

約数和(自身を除く): 10221567

約数列:

[1, 3, 9, 43, 129, 131, 387, 393, 409, 1179, 1227, 3681, 5633, 16899, 17587, 50697, 52761, 53579, 158283, 160737, 482211, 2303897, 6911691, 20735073]

約数ペア:

[(1, 20735073), (3, 6911691), (9, 2303897), (43, 482211), (129, 160737), (131, 158283), (387, 53579), (393, 52761), (409, 50697), (1179, 17587), (1227, 16899), (3681, 5633)]