20299552

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6971}}^1$

素因数の和:7001

約数の個数: 48

約数和(自身を含む): 49194432

約数和(自身を除く): 28894880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6971, 13942, 27884, 48797, 55768, 90623, 97594, 111536, 181246, 195188, 223072, 362492, 390376, 634361, 724984, 780752, 1268722, 1449968, 1561504, 2537444, 2899936, 5074888, 10149776, 20299552]

約数ペア:

[(1, 20299552), (2, 10149776), (4, 5074888), (7, 2899936), (8, 2537444), (13, 1561504), (14, 1449968), (16, 1268722), (26, 780752), (28, 724984), (32, 634361), (52, 390376), (56, 362492), (91, 223072), (104, 195188), (112, 181246), (182, 111536), (208, 97594), (224, 90623), (364, 55768), (416, 48797), (728, 27884), (1456, 13942), (2912, 6971)]