20075454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{563}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 49974912

約数和(自身を除く): 29899458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 283, 563, 566, 849, 1126, 1689, 1698, 1981, 2547, 3378, 3941, 3962, 5067, 5094, 5943, 7882, 10134, 11823, 11886, 17829, 23646, 35469, 35658, 70938, 159329, 318658, 477987, 955974, 1115303, 1433961, 2230606, 2867922, 3345909, 6691818, 10037727, 20075454]

約数ペア:

[(1, 20075454), (2, 10037727), (3, 6691818), (6, 3345909), (7, 2867922), (9, 2230606), (14, 1433961), (18, 1115303), (21, 955974), (42, 477987), (63, 318658), (126, 159329), (283, 70938), (563, 35658), (566, 35469), (849, 23646), (1126, 17829), (1689, 11886), (1698, 11823), (1981, 10134), (2547, 7882), (3378, 5943), (3941, 5094), (3962, 5067)]