20718713048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5475347}}^1$

素因数の和:5475407

約数の個数: 32

約数和(自身を含む): 43364756160

約数和(自身を除く): 22646043112

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5475347, 10950694, 21901388, 43802776, 60228817, 120457634, 235439921, 240915268, 470879842, 481830536, 941759684, 1883519368, 2589839131, 5179678262, 10359356524, 20718713048]

約数ペア:

[(1, 20718713048), (2, 10359356524), (4, 5179678262), (8, 2589839131), (11, 1883519368), (22, 941759684), (43, 481830536), (44, 470879842), (86, 240915268), (88, 235439921), (172, 120457634), (344, 60228817), (473, 43802776), (946, 21901388), (1892, 10950694), (3784, 5475347)]