20485528

素因数分解:

$2^3\times 7^2\times {\mathrm{52259}}^1$

素因数の和:52279

約数の個数: 24

約数和(自身を含む): 44682300

約数和(自身を除く): 24196772

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52259, 104518, 209036, 365813, 418072, 731626, 1463252, 2560691, 2926504, 5121382, 10242764, 20485528]

約数ペア:

[(1, 20485528), (2, 10242764), (4, 5121382), (7, 2926504), (8, 2560691), (14, 1463252), (28, 731626), (49, 418072), (56, 365813), (98, 209036), (196, 104518), (392, 52259)]