20166943216

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9476947}}^1$

素因数の和:9476981

約数の個数: 40

約数和(自身を含む): 47005662080

約数和(自身を除く): 26838718864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9476947, 18953894, 37907788, 66338629, 75815576, 132677258, 151631152, 180061993, 265354516, 360123986, 530709032, 720247972, 1061418064, 1260433951, 1440495944, 2520867902, 2880991888, 5041735804, 10083471608, 20166943216]

約数ペア:

[(1, 20166943216), (2, 10083471608), (4, 5041735804), (7, 2880991888), (8, 2520867902), (14, 1440495944), (16, 1260433951), (19, 1061418064), (28, 720247972), (38, 530709032), (56, 360123986), (76, 265354516), (112, 180061993), (133, 151631152), (152, 132677258), (266, 75815576), (304, 66338629), (532, 37907788), (1064, 18953894), (2128, 9476947)]