20517331966

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1069}}^1\times {\mathrm{2797}}^1$

素因数の和:3988

約数の個数: 32

約数和(自身を含む): 31902572160

約数和(自身を除く): 11385240194

約数列:

[1, 2, 47, 73, 94, 146, 1069, 2138, 2797, 3431, 5594, 6862, 50243, 78037, 100486, 131459, 156074, 204181, 262918, 408362, 2989993, 3667739, 5979986, 7335478, 9596507, 19193014, 140529671, 218269489, 281059342, 436538978, 10258665983, 20517331966]

約数ペア:

[(1, 20517331966), (2, 10258665983), (47, 436538978), (73, 281059342), (94, 218269489), (146, 140529671), (1069, 19193014), (2138, 9596507), (2797, 7335478), (3431, 5979986), (5594, 3667739), (6862, 2989993), (50243, 408362), (78037, 262918), (100486, 204181), (131459, 156074)]