20734713

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2557}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 32322888

約数和(自身を除く): 11588175

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2557, 2703, 7671, 8109, 23013, 43469, 130407, 135521, 391221, 406563, 1219689, 2303857, 6911571, 20734713]

約数ペア:

[(1, 20734713), (3, 6911571), (9, 2303857), (17, 1219689), (51, 406563), (53, 391221), (153, 135521), (159, 130407), (477, 43469), (901, 23013), (2557, 8109), (2703, 7671)]