20492380

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2213}}^1$

素因数の和:2685

約数の個数: 24

約数和(自身を含む): 43146432

約数和(自身を除く): 22654052

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2213, 2315, 4426, 4630, 8852, 9260, 11065, 22130, 44260, 1024619, 2049238, 4098476, 5123095, 10246190, 20492380]

約数ペア:

[(1, 20492380), (2, 10246190), (4, 5123095), (5, 4098476), (10, 2049238), (20, 1024619), (463, 44260), (926, 22130), (1852, 11065), (2213, 9260), (2315, 8852), (4426, 4630)]