20176411257

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{542683}}^1$

素因数の和:542721

約数の個数: 32

約数和(自身を含む): 32040063360

約数和(自身を除く): 11863652103

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 2187, 4131, 12393, 37179, 542683, 1628049, 4884147, 9225611, 14652441, 27676833, 43957323, 83030499, 131871969, 249091497, 395615907, 747274491, 1186847721, 2241823473, 6725470419, 20176411257]

約数ペア:

[(1, 20176411257), (3, 6725470419), (9, 2241823473), (17, 1186847721), (27, 747274491), (51, 395615907), (81, 249091497), (153, 131871969), (243, 83030499), (459, 43957323), (729, 27676833), (1377, 14652441), (2187, 9225611), (4131, 4884147), (12393, 1628049), (37179, 542683)]