20218558473

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14683049}}^1$

素因数の和:14683078

約数の個数: 20

約数和(自身を含む): 31979682900

約数和(自身を除く): 11761124427

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14683049, 44049147, 132147441, 249611833, 396442323, 748835499, 1189326969, 2246506497, 6739519491, 20218558473]

約数ペア:

[(1, 20218558473), (3, 6739519491), (9, 2246506497), (17, 1189326969), (27, 748835499), (51, 396442323), (81, 249611833), (153, 132147441), (459, 44049147), (1377, 14683049)]