19960976

素因数分解:

$2^4\times 7^1\times {\mathrm{178223}}^1$

素因数の和:178238

約数の個数: 20

約数和(自身を含む): 44199552

約数和(自身を除く): 24238576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178223, 356446, 712892, 1247561, 1425784, 2495122, 2851568, 4990244, 9980488, 19960976]

約数ペア:

[(1, 19960976), (2, 9980488), (4, 4990244), (7, 2851568), (8, 2495122), (14, 1425784), (16, 1247561), (28, 712892), (56, 356446), (112, 178223)]