20741776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117851}}^1$

素因数の和:117870

約数の個数: 20

約数和(自身を含む): 43840944

約数和(自身を除く): 23099168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117851, 235702, 471404, 942808, 1296361, 1885616, 2592722, 5185444, 10370888, 20741776]

約数ペア:

[(1, 20741776), (2, 10370888), (4, 5185444), (8, 2592722), (11, 1885616), (16, 1296361), (22, 942808), (44, 471404), (88, 235702), (176, 117851)]