20306619

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14747}}^1$

素因数の和:14776

約数の個数: 20

約数和(自身を含む): 32121144

約数和(自身を除く): 11814525

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14747, 44241, 132723, 250699, 398169, 752097, 1194507, 2256291, 6768873, 20306619]

約数ペア:

[(1, 20306619), (3, 6768873), (9, 2256291), (17, 1194507), (27, 752097), (51, 398169), (81, 250699), (153, 132723), (459, 44241), (1377, 14747)]