20881588

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57367}}^1$

素因数の和:57391

約数の個数: 24

約数和(自身を含む): 44976512

約数和(自身を除く): 24094924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57367, 114734, 229468, 401569, 745771, 803138, 1491542, 1606276, 2983084, 5220397, 10440794, 20881588]

約数ペア:

[(1, 20881588), (2, 10440794), (4, 5220397), (7, 2983084), (13, 1606276), (14, 1491542), (26, 803138), (28, 745771), (52, 401569), (91, 229468), (182, 114734), (364, 57367)]