20954296

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21647}}^1$

素因数の和:21675

約数の個数: 24

約数和(自身を含む): 43187760

約数和(自身を除く): 22233464

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21647, 43294, 86588, 173176, 238117, 476234, 952468, 1904936, 2619287, 5238574, 10477148, 20954296]

約数ペア:

[(1, 20954296), (2, 10477148), (4, 5238574), (8, 2619287), (11, 1904936), (22, 952468), (44, 476234), (88, 238117), (121, 173176), (242, 86588), (484, 43294), (968, 21647)]