20128136

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21143}}^1$

素因数の和:21173

約数の個数: 32

約数和(自身を含む): 45671040

約数和(自身を除く): 25542904

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21143, 42286, 84572, 148001, 169144, 296002, 359431, 592004, 718862, 1184008, 1437724, 2516017, 2875448, 5032034, 10064068, 20128136]

約数ペア:

[(1, 20128136), (2, 10064068), (4, 5032034), (7, 2875448), (8, 2516017), (14, 1437724), (17, 1184008), (28, 718862), (34, 592004), (56, 359431), (68, 296002), (119, 169144), (136, 148001), (238, 84572), (476, 42286), (952, 21143)]