20835856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68539}}^1$

素因数の和:68566

約数の個数: 20

約数和(自身を含む): 42494800

約数和(自身を除く): 21658944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68539, 137078, 274156, 548312, 1096624, 1302241, 2604482, 5208964, 10417928, 20835856]

約数ペア:

[(1, 20835856), (2, 10417928), (4, 5208964), (8, 2604482), (16, 1302241), (19, 1096624), (38, 548312), (76, 274156), (152, 137078), (304, 68539)]