20216848

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18859}}^1$

素因数の和:18934

約数の個数: 20

約数和(自身を含む): 39756880

約数和(自身を除く): 19540032

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18859, 37718, 75436, 150872, 301744, 1263553, 2527106, 5054212, 10108424, 20216848]

約数ペア:

[(1, 20216848), (2, 10108424), (4, 5054212), (8, 2527106), (16, 1263553), (67, 301744), (134, 150872), (268, 75436), (536, 37718), (1072, 18859)]