20893208

素因数分解:

$2^3\times 7^2\times {\mathrm{53299}}^1$

素因数の和:53319

約数の個数: 24

約数和(自身を含む): 45571500

約数和(自身を除く): 24678292

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53299, 106598, 213196, 373093, 426392, 746186, 1492372, 2611651, 2984744, 5223302, 10446604, 20893208]

約数ペア:

[(1, 20893208), (2, 10446604), (4, 5223302), (7, 2984744), (8, 2611651), (14, 1492372), (28, 746186), (49, 426392), (56, 373093), (98, 213196), (196, 106598), (392, 53299)]