20948121

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{967}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 10763559

約数列:

[1, 3, 9, 29, 83, 87, 249, 261, 747, 967, 2407, 2901, 7221, 8703, 21663, 28043, 80261, 84129, 240783, 252387, 722349, 2327569, 6982707, 20948121]

約数ペア:

[(1, 20948121), (3, 6982707), (9, 2327569), (29, 722349), (83, 252387), (87, 240783), (249, 84129), (261, 80261), (747, 28043), (967, 21663), (2407, 8703), (2901, 7221)]