20147646416

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{505511}}^1$

素因数の和:505619

約数の個数: 40

約数和(自身を含む): 40618900224

約数和(自身を除く): 20471253808

約数列:

[1, 2, 4, 8, 16, 47, 53, 94, 106, 188, 212, 376, 424, 752, 848, 2491, 4982, 9964, 19928, 39856, 505511, 1011022, 2022044, 4044088, 8088176, 23759017, 26792083, 47518034, 53584166, 95036068, 107168332, 190072136, 214336664, 380144272, 428673328, 1259227901, 2518455802, 5036911604, 10073823208, 20147646416]

約数ペア:

[(1, 20147646416), (2, 10073823208), (4, 5036911604), (8, 2518455802), (16, 1259227901), (47, 428673328), (53, 380144272), (94, 214336664), (106, 190072136), (188, 107168332), (212, 95036068), (376, 53584166), (424, 47518034), (752, 26792083), (848, 23759017), (2491, 8088176), (4982, 4044088), (9964, 2022044), (19928, 1011022), (39856, 505511)]