20102456

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 43650600

約数和(自身を除く): 23548144

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1093, 1672, 2186, 2299, 4372, 4598, 8744, 9196, 12023, 18392, 20767, 24046, 41534, 48092, 83068, 96184, 132253, 166136, 228437, 264506, 456874, 529012, 913748, 1058024, 1827496, 2512807, 5025614, 10051228, 20102456]

約数ペア:

[(1, 20102456), (2, 10051228), (4, 5025614), (8, 2512807), (11, 1827496), (19, 1058024), (22, 913748), (38, 529012), (44, 456874), (76, 264506), (88, 228437), (121, 166136), (152, 132253), (209, 96184), (242, 83068), (418, 48092), (484, 41534), (836, 24046), (968, 20767), (1093, 18392), (1672, 12023), (2186, 9196), (2299, 8744), (4372, 4598)]