20778820146

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1385809}}^1$

素因数の和:1385848

約数の個数: 72

約数和(自身を含む): 55451801340

約数和(自身を除く): 34672981194

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 49, 51, 63, 98, 102, 119, 126, 147, 153, 238, 294, 306, 357, 441, 714, 833, 882, 1071, 1666, 2142, 2499, 4998, 7497, 14994, 1385809, 2771618, 4157427, 8314854, 9700663, 12472281, 19401326, 23558753, 24944562, 29101989, 47117506, 58203978, 67904641, 70676259, 87305967, 135809282, 141352518, 164911271, 174611934, 203713923, 212028777, 329822542, 407427846, 424057554, 494733813, 611141769, 989467626, 1154378897, 1222283538, 1484201439, 2308757794, 2968402878, 3463136691, 6926273382, 10389410073, 20778820146]

約数ペア:

[(1, 20778820146), (2, 10389410073), (3, 6926273382), (6, 3463136691), (7, 2968402878), (9, 2308757794), (14, 1484201439), (17, 1222283538), (18, 1154378897), (21, 989467626), (34, 611141769), (42, 494733813), (49, 424057554), (51, 407427846), (63, 329822542), (98, 212028777), (102, 203713923), (119, 174611934), (126, 164911271), (147, 141352518), (153, 135809282), (238, 87305967), (294, 70676259), (306, 67904641), (357, 58203978), (441, 47117506), (714, 29101989), (833, 24944562), (882, 23558753), (1071, 19401326), (1666, 12472281), (2142, 9700663), (2499, 8314854), (4998, 4157427), (7497, 2771618), (14994, 1385809)]