20341269

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7559}}^1$

素因数の和:7601

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 12680811

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7559, 22677, 68031, 98267, 173857, 294801, 521571, 884403, 1564713, 2260141, 6780423, 20341269]

約数ペア:

[(1, 20341269), (3, 6780423), (9, 2260141), (13, 1564713), (23, 884403), (39, 521571), (69, 294801), (117, 173857), (207, 98267), (299, 68031), (897, 22677), (2691, 7559)]