20017449

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14537}}^1$

素因数の和:14566

約数の個数: 20

約数和(自身を含む): 31663764

約数和(自身を除く): 11646315

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14537, 43611, 130833, 247129, 392499, 741387, 1177497, 2224161, 6672483, 20017449]

約数ペア:

[(1, 20017449), (3, 6672483), (9, 2224161), (17, 1177497), (27, 741387), (51, 392499), (81, 247129), (153, 130833), (459, 43611), (1377, 14537)]