20701905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197161}}^1$

素因数の和:197176

約数の個数: 16

約数和(自身を含む): 37855104

約数和(自身を除く): 17153199

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197161, 591483, 985805, 1380127, 2957415, 4140381, 6900635, 20701905]

約数ペア:

[(1, 20701905), (3, 6900635), (5, 4140381), (7, 2957415), (15, 1380127), (21, 985805), (35, 591483), (105, 197161)]