20700645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11597}}^1$

素因数の和:11629

約数の個数: 32

約数和(自身を含む): 40082688

約数和(自身を除く): 19382043

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11597, 34791, 57985, 81179, 173955, 197149, 243537, 405895, 591447, 985745, 1217685, 1380043, 2957235, 4140129, 6900215, 20700645]

約数ペア:

[(1, 20700645), (3, 6900215), (5, 4140129), (7, 2957235), (15, 1380043), (17, 1217685), (21, 985745), (35, 591447), (51, 405895), (85, 243537), (105, 197149), (119, 173955), (255, 81179), (357, 57985), (595, 34791), (1785, 11597)]