20517904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116579}}^1$

素因数の和:116598

約数の個数: 20

約数和(自身を含む): 43367760

約数和(自身を除く): 22849856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116579, 233158, 466316, 932632, 1282369, 1865264, 2564738, 5129476, 10258952, 20517904]

約数ペア:

[(1, 20517904), (2, 10258952), (4, 5129476), (8, 2564738), (11, 1865264), (16, 1282369), (22, 932632), (44, 466316), (88, 233158), (176, 116579)]