20385968

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27109}}^1$

素因数の和:27164

約数の個数: 20

約数和(自身を含む): 40339680

約数和(自身を除く): 19953712

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27109, 54218, 108436, 216872, 433744, 1274123, 2548246, 5096492, 10192984, 20385968]

約数ペア:

[(1, 20385968), (2, 10192984), (4, 5096492), (8, 2548246), (16, 1274123), (47, 433744), (94, 216872), (188, 108436), (376, 54218), (752, 27109)]