20652952327

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{16061}}^1$

素因数の和:16268

約数の個数: 32

約数和(自身を含む): 25288012800

約数和(自身を除く): 4635060473

約数列:

[1, 7, 23, 49, 161, 163, 343, 1127, 1141, 3749, 7889, 7987, 16061, 26243, 55909, 112427, 183701, 369403, 786989, 1285907, 2585821, 2617943, 5508923, 18100747, 18325601, 60212689, 126705229, 128279207, 421488823, 897954449, 2950421761, 20652952327]

約数ペア:

[(1, 20652952327), (7, 2950421761), (23, 897954449), (49, 421488823), (161, 128279207), (163, 126705229), (343, 60212689), (1127, 18325601), (1141, 18100747), (3749, 5508923), (7889, 2617943), (7987, 2585821), (16061, 1285907), (26243, 786989), (55909, 369403), (112427, 183701)]