20489602

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 36748800

約数和(自身を除く): 16259198

約数列:

[1, 2, 7, 14, 29, 58, 109, 203, 218, 406, 463, 763, 926, 1526, 3161, 3241, 6322, 6482, 13427, 22127, 26854, 44254, 50467, 93989, 100934, 187978, 353269, 706538, 1463543, 2927086, 10244801, 20489602]

約数ペア:

[(1, 20489602), (2, 10244801), (7, 2927086), (14, 1463543), (29, 706538), (58, 353269), (109, 187978), (203, 100934), (218, 93989), (406, 50467), (463, 44254), (763, 26854), (926, 22127), (1526, 13427), (3161, 6482), (3241, 6322)]