20604801

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1021}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 32475072

約数和(自身を除く): 11870271

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 1021, 2883, 3063, 6727, 7147, 20181, 21441, 31651, 94953, 221557, 664671, 981181, 2943543, 6868267, 20604801]

約数ペア:

[(1, 20604801), (3, 6868267), (7, 2943543), (21, 981181), (31, 664671), (93, 221557), (217, 94953), (651, 31651), (961, 21441), (1021, 20181), (2883, 7147), (3063, 6727)]