20477776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116351}}^1$

素因数の和:116370

約数の個数: 20

約数和(自身を含む): 43282944

約数和(自身を除く): 22805168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116351, 232702, 465404, 930808, 1279861, 1861616, 2559722, 5119444, 10238888, 20477776]

約数ペア:

[(1, 20477776), (2, 10238888), (4, 5119444), (8, 2559722), (11, 1861616), (16, 1279861), (22, 930808), (44, 465404), (88, 232702), (176, 116351)]