20790742406

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{270157}}^1$

素因数の和:270428

約数の個数: 32

約数和(自身を含む): 37346641920

約数和(自身を除く): 16555899514

約数列:

[1, 2, 7, 14, 23, 46, 161, 239, 322, 478, 1673, 3346, 5497, 10994, 38479, 76958, 270157, 540314, 1891099, 3782198, 6213611, 12427222, 43495277, 64567523, 86990554, 129135046, 451972661, 903945322, 1485053029, 2970106058, 10395371203, 20790742406]

約数ペア:

[(1, 20790742406), (2, 10395371203), (7, 2970106058), (14, 1485053029), (23, 903945322), (46, 451972661), (161, 129135046), (239, 86990554), (322, 64567523), (478, 43495277), (1673, 12427222), (3346, 6213611), (5497, 3782198), (10994, 1891099), (38479, 540314), (76958, 270157)]