20249908

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9907}}^1$

素因数の和:9991

約数の個数: 24

約数和(自身を含む): 41058752

約数和(自身を除く): 20808844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9907, 19814, 39628, 69349, 138698, 277396, 723211, 1446422, 2892844, 5062477, 10124954, 20249908]

約数ペア:

[(1, 20249908), (2, 10124954), (4, 5062477), (7, 2892844), (14, 1446422), (28, 723211), (73, 277396), (146, 138698), (292, 69349), (511, 39628), (1022, 19814), (2044, 9907)]