20715449504

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{3943}}^1\times {\mathrm{8641}}^1$

素因数の和:12613

約数の個数: 48

約数和(自身を含む): 42945900480

約数和(自身を除く): 22230450976

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 3943, 7886, 8641, 15772, 17282, 31544, 34564, 63088, 69128, 74917, 126176, 138256, 149834, 164179, 276512, 299668, 328358, 599336, 656716, 1198672, 1313432, 2397344, 2626864, 5253728, 34071463, 68142926, 136285852, 272571704, 545143408, 647357797, 1090286816, 1294715594, 2589431188, 5178862376, 10357724752, 20715449504]

約数ペア:

[(1, 20715449504), (2, 10357724752), (4, 5178862376), (8, 2589431188), (16, 1294715594), (19, 1090286816), (32, 647357797), (38, 545143408), (76, 272571704), (152, 136285852), (304, 68142926), (608, 34071463), (3943, 5253728), (7886, 2626864), (8641, 2397344), (15772, 1313432), (17282, 1198672), (31544, 656716), (34564, 599336), (63088, 328358), (69128, 299668), (74917, 276512), (126176, 164179), (138256, 149834)]