20353473

素因数分解:

$3^2\times 7^2\times {\mathrm{46153}}^1$

素因数の和:46173

約数の個数: 18

約数和(自身を含む): 34200114

約数和(自身を除く): 13846641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46153, 138459, 323071, 415377, 969213, 2261497, 2907639, 6784491, 20353473]

約数ペア:

[(1, 20353473), (3, 6784491), (7, 2907639), (9, 2261497), (21, 969213), (49, 415377), (63, 323071), (147, 138459), (441, 46153)]