20641148

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{3877}}^1$

素因数の和:3914

約数の個数: 24

約数和(自身を含む): 39741744

約数和(自身を除く): 19100596

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 3877, 5324, 7754, 15508, 42647, 85294, 170588, 469117, 938234, 1876468, 5160287, 10320574, 20641148]

約数ペア:

[(1, 20641148), (2, 10320574), (4, 5160287), (11, 1876468), (22, 938234), (44, 469117), (121, 170588), (242, 85294), (484, 42647), (1331, 15508), (2662, 7754), (3877, 5324)]