20164936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^2$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 42791760

約数和(自身を除く): 22626824

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 73, 86, 88, 146, 172, 292, 344, 473, 584, 803, 946, 1606, 1892, 3139, 3212, 3784, 5329, 6278, 6424, 10658, 12556, 21316, 25112, 34529, 42632, 58619, 69058, 117238, 138116, 229147, 234476, 276232, 458294, 468952, 916588, 1833176, 2520617, 5041234, 10082468, 20164936]

約数ペア:

[(1, 20164936), (2, 10082468), (4, 5041234), (8, 2520617), (11, 1833176), (22, 916588), (43, 468952), (44, 458294), (73, 276232), (86, 234476), (88, 229147), (146, 138116), (172, 117238), (292, 69058), (344, 58619), (473, 42632), (584, 34529), (803, 25112), (946, 21316), (1606, 12556), (1892, 10658), (3139, 6424), (3212, 6278), (3784, 5329)]