20897148

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102437}}^1$

素因数の和:102461

約数の個数: 24

約数和(自身を含む): 51628752

約数和(自身を除く): 30731604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102437, 204874, 307311, 409748, 614622, 1229244, 1741429, 3482858, 5224287, 6965716, 10448574, 20897148]

約数ペア:

[(1, 20897148), (2, 10448574), (3, 6965716), (4, 5224287), (6, 3482858), (12, 1741429), (17, 1229244), (34, 614622), (51, 409748), (68, 307311), (102, 204874), (204, 102437)]