20922543

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{2969}}^1$

素因数の和:3013

約数の個数: 24

約数和(自身を含む): 32432400

約数和(自身を除く): 11509857

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 2969, 7047, 8907, 26721, 80163, 86101, 240489, 258303, 721467, 774909, 2324727, 6974181, 20922543]

約数ペア:

[(1, 20922543), (3, 6974181), (9, 2324727), (27, 774909), (29, 721467), (81, 258303), (87, 240489), (243, 86101), (261, 80163), (783, 26721), (2349, 8907), (2969, 7047)]