20799040

素因数分解:

$2^6\times 5^1\times {\mathrm{64997}}^1$

素因数の和:65014

約数の個数: 28

約数和(自身を含む): 49528476

約数和(自身を除く): 28729436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 64997, 129994, 259988, 324985, 519976, 649970, 1039952, 1299940, 2079904, 2599880, 4159808, 5199760, 10399520, 20799040]

約数ペア:

[(1, 20799040), (2, 10399520), (4, 5199760), (5, 4159808), (8, 2599880), (10, 2079904), (16, 1299940), (20, 1039952), (32, 649970), (40, 519976), (64, 324985), (80, 259988), (160, 129994), (320, 64997)]