20935449

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2683}}^1$

素因数の和:2726

約数の個数: 24

約数和(自身を含む): 32959520

約数和(自身を除く): 12024071

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 2683, 7803, 8049, 24147, 45611, 72441, 136833, 410499, 775387, 1231497, 2326161, 6978483, 20935449]

約数ペア:

[(1, 20935449), (3, 6978483), (9, 2326161), (17, 1231497), (27, 775387), (51, 410499), (153, 136833), (289, 72441), (459, 45611), (867, 24147), (2601, 8049), (2683, 7803)]