20860173

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{15149}}^1$

素因数の和:15178

約数の個数: 20

約数和(自身を含む): 32996700

約数和(自身を除く): 12136527

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 15149, 45447, 136341, 257533, 409023, 772599, 1227069, 2317797, 6953391, 20860173]

約数ペア:

[(1, 20860173), (3, 6953391), (9, 2317797), (17, 1227069), (27, 772599), (51, 409023), (81, 257533), (153, 136341), (459, 45447), (1377, 15149)]