20320006

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 37440000

約数和(自身を除く): 17119994

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1559, 1862, 3118, 6517, 10913, 13034, 21826, 29621, 59242, 76391, 152782, 207347, 414694, 534737, 1069474, 1451429, 2902858, 10160003, 20320006]

約数ペア:

[(1, 20320006), (2, 10160003), (7, 2902858), (14, 1451429), (19, 1069474), (38, 534737), (49, 414694), (98, 207347), (133, 152782), (266, 76391), (343, 59242), (686, 29621), (931, 21826), (1559, 13034), (1862, 10913), (3118, 6517)]