20764519818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2897}}^1\times {\mathrm{3631}}^1$

素因数の和:6587

約数の個数: 64

約数和(自身を含む): 48501669888

約数和(自身を除く): 27737150070

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 2897, 3631, 5794, 7262, 8691, 10893, 17382, 20279, 21786, 25417, 40558, 50834, 60837, 76251, 121674, 136159, 152502, 170657, 272318, 341314, 408477, 511971, 816954, 953113, 1023942, 1194599, 1906226, 2389198, 2859339, 3583797, 5718678, 7167594, 10519007, 21038014, 31557021, 63114042, 73633049, 147266098, 220899147, 441798294, 494393329, 988786658, 1483179987, 2966359974, 3460753303, 6921506606, 10382259909, 20764519818]

約数ペア:

[(1, 20764519818), (2, 10382259909), (3, 6921506606), (6, 3460753303), (7, 2966359974), (14, 1483179987), (21, 988786658), (42, 494393329), (47, 441798294), (94, 220899147), (141, 147266098), (282, 73633049), (329, 63114042), (658, 31557021), (987, 21038014), (1974, 10519007), (2897, 7167594), (3631, 5718678), (5794, 3583797), (7262, 2859339), (8691, 2389198), (10893, 1906226), (17382, 1194599), (20279, 1023942), (21786, 953113), (25417, 816954), (40558, 511971), (50834, 408477), (60837, 341314), (76251, 272318), (121674, 170657), (136159, 152502)]