20178698913

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43962307}}^1$

素因数の和:43962333

約数の個数: 16

約数和(自身を含む): 31652861760

約数和(自身を除く): 11474162847

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43962307, 131886921, 395660763, 747359219, 1186982289, 2242077657, 6726232971, 20178698913]

約数ペア:

[(1, 20178698913), (3, 6726232971), (9, 2242077657), (17, 1186982289), (27, 747359219), (51, 395660763), (153, 131886921), (459, 43962307)]