20458074

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 51045120

約数和(自身を除く): 30587046

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 89, 91, 178, 182, 267, 273, 421, 534, 546, 623, 842, 1157, 1246, 1263, 1869, 2314, 2526, 2947, 3471, 3738, 5473, 5894, 6942, 8099, 8841, 10946, 16198, 16419, 17682, 24297, 32838, 37469, 38311, 48594, 74938, 76622, 112407, 114933, 224814, 229866, 262283, 487097, 524566, 786849, 974194, 1461291, 1573698, 2922582, 3409679, 6819358, 10229037, 20458074]

約数ペア:

[(1, 20458074), (2, 10229037), (3, 6819358), (6, 3409679), (7, 2922582), (13, 1573698), (14, 1461291), (21, 974194), (26, 786849), (39, 524566), (42, 487097), (78, 262283), (89, 229866), (91, 224814), (178, 114933), (182, 112407), (267, 76622), (273, 74938), (421, 48594), (534, 38311), (546, 37469), (623, 32838), (842, 24297), (1157, 17682), (1246, 16419), (1263, 16198), (1869, 10946), (2314, 8841), (2526, 8099), (2947, 6942), (3471, 5894), (3738, 5473)]