20961776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119101}}^1$

素因数の和:119120

約数の個数: 20

約数和(自身を含む): 44305944

約数和(自身を除く): 23344168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119101, 238202, 476404, 952808, 1310111, 1905616, 2620222, 5240444, 10480888, 20961776]

約数ペア:

[(1, 20961776), (2, 10480888), (4, 5240444), (8, 2620222), (11, 1905616), (16, 1310111), (22, 952808), (44, 476404), (88, 238202), (176, 119101)]