20965743

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45677}}^1$

素因数の和:45703

約数の個数: 16

約数和(自身を含む): 32888160

約数和(自身を除く): 11922417

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45677, 137031, 411093, 776509, 1233279, 2329527, 6988581, 20965743]

約数ペア:

[(1, 20965743), (3, 6988581), (9, 2329527), (17, 1233279), (27, 776509), (51, 411093), (153, 137031), (459, 45677)]