20440112

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 50568192

約数和(自身を除く): 30128080

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 47, 56, 77, 88, 94, 112, 154, 176, 188, 308, 329, 353, 376, 517, 616, 658, 706, 752, 1034, 1232, 1316, 1412, 2068, 2471, 2632, 2824, 3619, 3883, 4136, 4942, 5264, 5648, 7238, 7766, 8272, 9884, 14476, 15532, 16591, 19768, 27181, 28952, 31064, 33182, 39536, 54362, 57904, 62128, 66364, 108724, 116137, 132728, 182501, 217448, 232274, 265456, 365002, 434896, 464548, 730004, 929096, 1277507, 1460008, 1858192, 2555014, 2920016, 5110028, 10220056, 20440112]

約数ペア:

[(1, 20440112), (2, 10220056), (4, 5110028), (7, 2920016), (8, 2555014), (11, 1858192), (14, 1460008), (16, 1277507), (22, 929096), (28, 730004), (44, 464548), (47, 434896), (56, 365002), (77, 265456), (88, 232274), (94, 217448), (112, 182501), (154, 132728), (176, 116137), (188, 108724), (308, 66364), (329, 62128), (353, 57904), (376, 54362), (517, 39536), (616, 33182), (658, 31064), (706, 28952), (752, 27181), (1034, 19768), (1232, 16591), (1316, 15532), (1412, 14476), (2068, 9884), (2471, 8272), (2632, 7766), (2824, 7238), (3619, 5648), (3883, 5264), (4136, 4942)]