20594644

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 42934528

約数和(自身を除く): 22339884

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 103, 148, 193, 206, 259, 386, 412, 518, 721, 772, 1036, 1351, 1442, 2702, 2884, 3811, 5404, 7141, 7622, 14282, 15244, 19879, 26677, 28564, 39758, 49987, 53354, 79516, 99974, 106708, 139153, 199948, 278306, 556612, 735523, 1471046, 2942092, 5148661, 10297322, 20594644]

約数ペア:

[(1, 20594644), (2, 10297322), (4, 5148661), (7, 2942092), (14, 1471046), (28, 735523), (37, 556612), (74, 278306), (103, 199948), (148, 139153), (193, 106708), (206, 99974), (259, 79516), (386, 53354), (412, 49987), (518, 39758), (721, 28564), (772, 26677), (1036, 19879), (1351, 15244), (1442, 14282), (2702, 7622), (2884, 7141), (3811, 5404)]