20857564214

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1\times {\mathrm{1231}}^1$

素因数の和:1781

約数の個数: 64

約数和(自身を含む): 35407798272

約数和(自身を除く): 14550234058

約数列:

[1, 2, 17, 23, 34, 46, 47, 94, 391, 461, 782, 799, 922, 1081, 1231, 1598, 2162, 2462, 7837, 10603, 15674, 18377, 20927, 21206, 21667, 28313, 36754, 41854, 43334, 56626, 57857, 115714, 180251, 360502, 368339, 481321, 498341, 567491, 736678, 962642, 983569, 996682, 1134982, 1330711, 1967138, 2661422, 8471797, 9647347, 13052293, 16943594, 19294694, 22622087, 26104586, 26672077, 45244174, 53344154, 221888981, 443777962, 453425309, 613457771, 906850618, 1226915542, 10428782107, 20857564214]

約数ペア:

[(1, 20857564214), (2, 10428782107), (17, 1226915542), (23, 906850618), (34, 613457771), (46, 453425309), (47, 443777962), (94, 221888981), (391, 53344154), (461, 45244174), (782, 26672077), (799, 26104586), (922, 22622087), (1081, 19294694), (1231, 16943594), (1598, 13052293), (2162, 9647347), (2462, 8471797), (7837, 2661422), (10603, 1967138), (15674, 1330711), (18377, 1134982), (20927, 996682), (21206, 983569), (21667, 962642), (28313, 736678), (36754, 567491), (41854, 498341), (43334, 481321), (56626, 368339), (57857, 360502), (115714, 180251)]